{
  "cveId": "CVE-2023-35311",
  "url": "https://patchblox.com/security/cve/CVE-2023-35311",
  "summary": "CVE-2023-35311 is fixed in 5 products on 1 platform, first by KB5002432, released July 11, 2023. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on July 11, 2023. Patch Radar priority: Patch now.",
  "title": "Microsoft Outlook Security Feature Bypass Vulnerability",
  "description": "",
  "published": "2023-07-11T12:00:00Z",
  "severity": "Important",
  "cvss": 8.8,
  "cwe": "Time-of-check Time-of-use (TOCTOU) Race Condition",
  "epss": 0.15522,
  "epssPercentile": 0.96833,
  "priority": "Patch now",
  "priorityTier": 1,
  "exploited": true,
  "vendorExploited": true,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Detected",
  "kev": {
    "added": "2023-07-11T00:00:00Z",
    "due": "2023-08-01T00:00:00Z",
    "ransomware": false,
    "requiredAction": "Apply updates per vendor instructions or discontinue use of the product if updates are unavailable."
  },
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35311",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Microsoft Outlook 2013 (32-bit editions)",
      "fixedVersion": "",
      "fix": "KB5002432",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002432",
      "released": "2023-07-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Outlook 2013 (64-bit editions)",
      "fixedVersion": "",
      "fix": "KB5002432",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002432",
      "released": "2023-07-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Outlook 2013 RT Service Pack 1",
      "fixedVersion": "",
      "fix": "KB5002432",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002432",
      "released": "2023-07-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Outlook 2016 (32-bit edition)",
      "fixedVersion": "",
      "fix": "KB5002427",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002427",
      "released": "2023-07-11T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Outlook 2016 (64-bit edition)",
      "fixedVersion": "",
      "fix": "KB5002427",
      "url": "https://patchblox.com/security/fix/microsoft/kb5002427",
      "released": "2023-07-11T12:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}