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CVE-2026-49797

🗓️ 14 Jul 2026 17:05:57Reported by microsoftType 
cve
 cve🔗 web.nvd.nist.gov👁 3 Views

CVE-2026-49797 : Heap-based buffer overflow in Windows NTFS enables local code execution by an unauthenticated attacker. Affected component: NTFS. CVSSv3.1: 7.8 (HIGH). Exploitation status is not provided in the available documents; no remediation...

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Circl		CVE-2026-49797
14 Jul 202619:01
–circl
Cvelist		CVE-2026-49797 Windows NTFS Remote Code Execution Vulnerability
14 Jul 202617:05
–cvelist
EUVD		EUVD-2026-43812
14 Jul 202618:32
–euvd
Microsoft KB		June 9, 2026—KB5095051 (OS Build 28000.2269)
14 Jul 202614:00
–mskb
Microsoft KB		July 14, 2026—KB5099536 (OS Build 26100.33158)
14 Jul 202614:00
–mskb
Microsoft KB		July 14, 2026—KB5099540 (OS Build 20348.5386)
14 Jul 202614:00
–mskb
Microsoft CVE		Windows NTFS Remote Code Execution Vulnerability
14 Jul 202614:00
–mscve
NCSC		Vulnerabilities in Microsoft Windows
14 Jul 202618:13
–ncsc
NVD		CVE-2026-49797
14 Jul 202617:16
–nvd
Positive Technologies		PT-2026-58169
14 Jul 202600:00
–ptsecurity
Rows per page
Vulners
CNA
Node
microsoftwindows_10_1607Range10.0.14393.0–10.0.14393.9339x32
OR
microsoftwindows_10_1607Range10.0.14393.0–10.0.14393.9339x64
Node
microsoftwindows_10_1809Range10.0.17763.0–10.0.17763.9020x32
OR
microsoftwindows_10_1809Range10.0.17763.0–10.0.17763.9020x64
Node
microsoftwindows_10_21h2Range10.0.19044.0–10.0.19044.7548x32
OR
microsoftwindows_10_21h2Range10.0.19044.0–10.0.19044.7548arm64
OR
microsoftwindows_10_21h2Range10.0.19044.0–10.0.19044.7548x64
Node
microsoftwindows_11_22h2Range10.0.19045.0–10.0.19045.7548x32
OR
microsoftwindows_11_22h2Range10.0.19045.0–10.0.19045.7548arm64
OR
microsoftwindows_11_22h2Range10.0.19045.0–10.0.19045.7548x64
Node
microsoftwindows_11_24h2Range10.0.26100.0–10.0.26100.8875arm64
OR
microsoftwindows_11_24h2Range10.0.26100.0–10.0.26100.8875x64
Node
microsoftwindows_11_25h2Range10.0.26200.0–10.0.26200.8875arm64
OR
microsoftwindows_11_25h2Range10.0.26200.0–10.0.26200.8875x64
Node
microsoftwindows_11_22h2Range10.0.28000.0–10.0.28000.2269arm64
OR
microsoftwindows_11_22h2Range10.0.28000.0–10.0.28000.2269x64
Node
microsoftwindows_server_2008Range6.2.9200.0–6.2.9200.26226x64
Node
microsoftwindows_server_2008Range6.2.9200.0–6.2.9200.26226server_core_installationx64
Node
microsoftwindows_server_2008Range6.3.9600.0–6.3.9600.23291x64
Node
microsoftwindows_server_2008Range6.3.9600.0–6.3.9600.23291server_core_installationx64
Node
microsoftwindows_server_2008Range10.0.14393.0–10.0.14393.9339x64
Node
microsoftwindows_server_2008Range10.0.14393.0–10.0.14393.9339server_core_installationx64
Node
microsoftwindows_server_2008Range10.0.17763.0–10.0.17763.9020x64
Node
microsoftwindows_server_2008Range10.0.17763.0–10.0.17763.9020server_core_installationx64
Node
microsoftwindows_server_2008Range10.0.20348.0–10.0.20348.5386x64
Node
microsoftwindows_server_2008Range10.0.26100.0–10.0.26100.33158x64
Node
microsoftwindows_server_2008Range10.0.26100.0–10.0.26100.33158server_core_installationx64
[
  {
    "vendor": "Microsoft",
    "product": "Windows 10 Version 1607",
    "platforms": [
      "32-bit Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.14393.0",
        "lessThan": "10.0.14393.9339",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "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": "10.0.26200.8875",
        "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": "10.0.28000.2269",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2012",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "6.2.9200.0",
        "lessThan": "6.2.9200.26226",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2012 (Server Core installation)",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "6.2.9200.0",
        "lessThan": "6.2.9200.26226",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2012 R2",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "6.3.9600.0",
        "lessThan": "6.3.9600.23291",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2012 R2 (Server Core installation)",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "6.3.9600.0",
        "lessThan": "6.3.9600.23291",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2016",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.14393.0",
        "lessThan": "10.0.14393.9339",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2016 (Server Core installation)",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.14393.0",
        "lessThan": "10.0.14393.9339",
        "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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15 Jul 2026 12:17Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.17.8
SSVC
CWE-122
3