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CVE-2026-44809

🗓️ 09 Jun 2026 17:06:16Reported by microsoftType 
cve
 cve
🔗 web.nvd.nist.gov👁 14 Views

CVE-2026-44809: Use after free in Windows Common Log File System Driver enables local privilege elevation by an authenticated attacker.

Related
Detection
Affected
Refs
NVD
Vulners
CNA
Node
microsoftwindows_11_24h2Range<10.0.26100.8655arm64
OR
microsoftwindows_11_24h2Range<10.0.26100.8655x64
OR
microsoftwindows_11_25h2Range<10.0.26200.8655arm64
OR
microsoftwindows_11_25h2Range<10.0.26200.8655x64
OR
microsoftwindows_11_26h1Range<10.0.28000.2269arm64
OR
microsoftwindows_11_26h1Range<10.0.28000.2269x64
OR
microsoftwindows_server_2025Range<10.0.26100.32995x64
[
  {
    "vendor": "Microsoft",
    "product": "Windows 11 Version 24H2",
    "platforms": [
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26100.0",
        "lessThan": "10.0.26100.8655",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 Version 25H2",
    "platforms": [
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26200.0",
        "lessThan": "10.0.26200.8655",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 version 26H1",
    "platforms": [
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.28000.0",
        "lessThan": "10.0.28000.2269",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2025",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26100.0",
        "lessThan": "10.0.26100.32995",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2025 (Server Core installation)",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26100.0",
        "lessThan": "10.0.26100.32995",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

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11 Jun 2026 17:07Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.8
EPSS0.0006
SSVC
14