{
  "fix": "KB5002348",
  "url": "https://patchblox.com/security/fix/microsoft/kb5002348",
  "summary": "KB5002348, released March 14, 2023, fixes 2 CVEs across 3 products. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "March 2023 security update",
  "released": "2023-03-14T12:00:00Z",
  "priority": "Urgent",
  "priorityTier": 2,
  "priorityReason": "Closes CVE-2023-23398, exploitation more likely",
  "supported": false,
  "cveCount": 2,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.02532,
  "maxCvss": 7.8,
  "vendorAdvisory": "https://support.microsoft.com/help/5002348",
  "appliesTo": [
    {
      "product": "Microsoft Excel 2013 RT Service Pack 1",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-excel-2013-rt-service-pack-1",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft Excel 2013 Service Pack 1 (32-bit editions)",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-excel-2013-service-pack-1-32-bit-editions",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Microsoft Excel 2013 Service Pack 1 (64-bit editions)",
      "productUrl": "https://patchblox.com/security/product/microsoft/microsoft-excel-2013-service-pack-1-64-bit-editions",
      "fixedVersion": "",
      "supported": false
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-23398",
      "url": "https://patchblox.com/security/cve/CVE-2023-23398",
      "title": "Microsoft Excel Spoofing Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Spoofing",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7.1,
      "epss": 0.00617,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-23399",
      "url": "https://patchblox.com/security/cve/CVE-2023-23399",
      "title": "Microsoft Excel Remote Code Execution Vulnerability",
      "component": "Microsoft Office Excel",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.02532,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}