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CVE-2026-54127

🗓️ 14 Jul 2026 17:05:14Reported by microsoftType 
cve
 cve🔗 web.nvd.nist.gov👁 5 Views

CVE-2026-54127 describes a use-after-free vulnerability in Windows Hyper-V that enables a local elevation of privileges. The CVSS 3.1 vector indicates a local attack, high impact on confidentiality, integrity, and availability, with no user intera...

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-54127
14 Jul 202617:05
–attackerkb
Circl		CVE-2026-54127
14 Jul 202619:01
–circl
Cvelist		CVE-2026-54127 Windows Hyper-V Elevation of Privilege Vulnerability
14 Jul 202617:05
–cvelist
EUVD		EUVD-2026-43755
14 Jul 202618:32
–euvd
Microsoft CVE		Windows Hyper-V Elevation of Privilege Vulnerability
14 Jul 202614:00
–mscve
NCSC		Vulnerabilities in Microsoft Windows
14 Jul 202618:13
–ncsc
NVD		CVE-2026-54127
14 Jul 202617:17
–nvd
Positive Technologies		PT-2026-58228
14 Jul 202600:00
–ptsecurity
Qualys Blog		Microsoft and Adobe Patch Tuesday, July 2026 Security Update Review
14 Jul 202621:23
–qualysblog
Tenable Nessus		KB5099536: Windows Server 2025 Security Update (July 2026)
14 Jul 202600:00
–nessus
Rows per page
Vulners
CNA
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_25h2Range10.0.26200.0–10.0.26100.8875arm64
OR
microsoftwindows_11_25h2Range10.0.26200.0–10.0.26100.8875x64
Node
microsoftwindows_11_22h2Range10.0.28000.0–10.0.28000.2525arm64
OR
microsoftwindows_11_22h2Range10.0.28000.0–10.0.28000.2525x64
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 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 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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14 Jul 2026 20:34Current
6Medium risk
Vulners AI Score6
CVSS 3.17.4
CWE-416
5