{
  "fix": "KB5002928",
  "url": "https://patchblox.com/security/fix/microsoft/kb5002928",
  "summary": "KB5002928, released October 13, 2026, fixes 44 CVEs in Office Online Server. None of them is reported as exploited. Patch Radar priority: Urgent.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "October 2026 security update",
  "released": "2026-10-13T07:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2026-105718, rated Critical",
  "supported": true,
  "cveCount": 44,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.00972,
  "maxCvss": 8.8,
  "vendorAdvisory": "https://support.microsoft.com/help/5002928",
  "appliesTo": [
    {
      "product": "Office Online Server",
      "productUrl": "https://patchblox.com/security/product/microsoft/office-online-server",
      "fixedVersion": "",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-105718",
      "url": "https://patchblox.com/security/cve/CVE-2026-105718",
      "title": "Microsoft Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.8,
      "epss": 0.00955,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-100210",
      "url": "https://patchblox.com/security/cve/CVE-2026-100210",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.8,
      "epss": 0.0093,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97742",
      "url": "https://patchblox.com/security/cve/CVE-2026-97742",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.8,
      "epss": 0.00929,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97756",
      "url": "https://patchblox.com/security/cve/CVE-2026-97756",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.8,
      "epss": 0.0091,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97739",
      "url": "https://patchblox.com/security/cve/CVE-2026-97739",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.8,
      "epss": 0.0082,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97765",
      "url": "https://patchblox.com/security/cve/CVE-2026-97765",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.8,
      "epss": 0.0082,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97776",
      "url": "https://patchblox.com/security/cve/CVE-2026-97776",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.8,
      "epss": 0.0082,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97780",
      "url": "https://patchblox.com/security/cve/CVE-2026-97780",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.8,
      "epss": 0.0082,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97753",
      "url": "https://patchblox.com/security/cve/CVE-2026-97753",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.8,
      "epss": 0.00804,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97755",
      "url": "https://patchblox.com/security/cve/CVE-2026-97755",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.8,
      "epss": 0.00804,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97767",
      "url": "https://patchblox.com/security/cve/CVE-2026-97767",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.8,
      "epss": 0.00601,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97778",
      "url": "https://patchblox.com/security/cve/CVE-2026-97778",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.8,
      "epss": 0.00601,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97758",
      "url": "https://patchblox.com/security/cve/CVE-2026-97758",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.8,
      "epss": 0.00589,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-100212",
      "url": "https://patchblox.com/security/cve/CVE-2026-100212",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00912,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97769",
      "url": "https://patchblox.com/security/cve/CVE-2026-97769",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00901,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97004",
      "url": "https://patchblox.com/security/cve/CVE-2026-97004",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00859,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97007",
      "url": "https://patchblox.com/security/cve/CVE-2026-97007",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00859,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97008",
      "url": "https://patchblox.com/security/cve/CVE-2026-97008",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00859,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97738",
      "url": "https://patchblox.com/security/cve/CVE-2026-97738",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00859,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97746",
      "url": "https://patchblox.com/security/cve/CVE-2026-97746",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00859,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97748",
      "url": "https://patchblox.com/security/cve/CVE-2026-97748",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00859,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97757",
      "url": "https://patchblox.com/security/cve/CVE-2026-97757",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00859,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97762",
      "url": "https://patchblox.com/security/cve/CVE-2026-97762",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00859,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97763",
      "url": "https://patchblox.com/security/cve/CVE-2026-97763",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00859,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97768",
      "url": "https://patchblox.com/security/cve/CVE-2026-97768",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00859,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97010",
      "url": "https://patchblox.com/security/cve/CVE-2026-97010",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00841,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97772",
      "url": "https://patchblox.com/security/cve/CVE-2026-97772",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00841,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97773",
      "url": "https://patchblox.com/security/cve/CVE-2026-97773",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00841,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97775",
      "url": "https://patchblox.com/security/cve/CVE-2026-97775",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00841,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97777",
      "url": "https://patchblox.com/security/cve/CVE-2026-97777",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00841,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97003",
      "url": "https://patchblox.com/security/cve/CVE-2026-97003",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00758,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97017",
      "url": "https://patchblox.com/security/cve/CVE-2026-97017",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00758,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97750",
      "url": "https://patchblox.com/security/cve/CVE-2026-97750",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00758,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97766",
      "url": "https://patchblox.com/security/cve/CVE-2026-97766",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00758,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97747",
      "url": "https://patchblox.com/security/cve/CVE-2026-97747",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00743,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97752",
      "url": "https://patchblox.com/security/cve/CVE-2026-97752",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00743,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97754",
      "url": "https://patchblox.com/security/cve/CVE-2026-97754",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00743,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97770",
      "url": "https://patchblox.com/security/cve/CVE-2026-97770",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00743,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97771",
      "url": "https://patchblox.com/security/cve/CVE-2026-97771",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00743,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-108446",
      "url": "https://patchblox.com/security/cve/CVE-2026-108446",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00618,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97751",
      "url": "https://patchblox.com/security/cve/CVE-2026-97751",
      "title": "Microsoft Office Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00535,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97760",
      "url": "https://patchblox.com/security/cve/CVE-2026-97760",
      "title": "Microsoft Office Excel Information Disclosure Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.5,
      "epss": 0.00972,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97779",
      "url": "https://patchblox.com/security/cve/CVE-2026-97779",
      "title": "Microsoft Office Excel Information Disclosure Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.5,
      "epss": 0.00972,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-97740",
      "url": "https://patchblox.com/security/cve/CVE-2026-97740",
      "title": "Microsoft Office Excel Information Disclosure Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.5,
      "epss": 0.00859,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}