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CVE-2026-49167

🗓️ 14 Jul 2026 17:04:27Reported by microsoftType 
cve
 cve
🔗 web.nvd.nist.gov👁 12 Views

CVE-2026-49167: Use after free in Windows Kernel enables privilege escalation by an authorized attacker.

Related
Detection
Affected
Refs
NVD
Vulners
CNA
Node
OR
microsoftwindows_10_1809Range<10.0.17763.9020x64
microsoftwindows_10_1809Range<10.0.17763.9020x86
microsoftwindows_10_21h2Range<10.0.19044.7548arm64
microsoftwindows_10_21h2Range<10.0.19044.7548x64
microsoftwindows_10_21h2Range<10.0.19044.7548x86
microsoftwindows_10_22h2Range<10.0.19045.7548arm64
microsoftwindows_10_22h2Range<10.0.19045.7548x64
microsoftwindows_10_22h2Range<10.0.19045.7548x86
microsoftwindows_11_24h2Range<10.0.26100.8875arm64
microsoftwindows_11_24h2Range<10.0.26100.8875x64
microsoftwindows_11_25h2Range<10.0.26200.8875arm64
microsoftwindows_11_25h2Range<10.0.26200.8875x64
microsoftwindows_11_26h1Range<10.0.28000.2525arm64
microsoftwindows_11_26h1Range<10.0.28000.2525x64
microsoftwindows_server_2019Range<10.0.17763.9020
microsoftwindows_server_2022Range<10.0.20348.5386
microsoftwindows_server_2025Range<10.0.26100.33158
[
  {
    "vendor": "Microsoft",
    "product": "Windows 10 Version 1809",
    "platforms": [
      "32-bit Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.17763.0",
        "lessThan": "10.0.17763.9020",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 10 Version 21H2",
    "platforms": [
      "32-bit Systems",
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.19044.0",
        "lessThan": "10.0.19044.7548",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 10 Version 22H2",
    "platforms": [
      "32-bit Systems",
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.19045.0",
        "lessThan": "10.0.19045.7548",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 Version 24H2",
    "platforms": [
      "ARM64-based Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26100.0",
        "lessThan": "10.0.26100.8875",
        "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": "10.0.26100.8875",
        "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": "10.0.28000.2525",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2019",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.17763.0",
        "lessThan": "10.0.17763.9020",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2019 (Server Core installation)",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.17763.0",
        "lessThan": "10.0.17763.9020",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2022",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.20348.0",
        "lessThan": "10.0.20348.5386",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2025",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26100.0",
        "lessThan": "10.0.26100.33158",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2025 (Server Core installation)",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.26100.0",
        "lessThan": "10.0.26100.33158",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

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16 Jul 2026 21:56Current
6Medium risk
Vulners AI Score6
CVSS 3.14.7 - 7.8
EPSS0.00252
SSVC
12