Windows Hyper-V Elevation of Privilege Vulnerability

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products13

• Windows 11 Version 23H2 for ARM64-based Systems
• Windows 11 Version 23H2 for x64-based Systems
• Windows 11 Version 24H2 for ARM64-based Systems
• Windows 11 Version 24H2 for x64-based Systems
• Windows 11 Version 25H2 for ARM64-based Systems
• Windows 11 Version 25H2 for x64-based Systems
• Windows 11 Version 26H1 for ARM64-based Systems
• Windows 11 version 26H1 for x64-based Systems
• Windows Server 2022
• Windows Server 2022 (Server Core installation)
• Windows Server 2022, 23H2 Edition (Server Core installation)
• Windows Server 2025
• Windows Server 2025 (Server Core installation)

✅ Remediation

KB5079466 (Security Update) — fixed build 10.0.28000.1719 KB5078766 (Security Update) — fixed build 10.0.20348.4893 KB5078737 (Security Hotpatch Update) — fixed build 10.0.20348.4830 KB5078740 (Security Update) — fixed build 10.0.26100.32522 KB5078736 (Security Hotpatch Update) — fixed build 10.0.26100.32463 KB5079473 (Security Update) — fixed build 10.0.26200.8037 KB5079420 (Security Hotpatch Update) — fixed build 10.0.26200.7979 KB5078883 (Security Update) — fixed build 10.0.22631.6783 KB5078734 (Security Update) — fixed build 10.0.25398.2207 KB5079473 (Security Update) — fixed build 10.0.26100.8037 KB5079420 (Security Hotpatch Update) — fixed build 10.0.26100.7979

🔗 References (17)

• advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-25170
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5079466
• referencehttps://support.microsoft.com/help/5079466
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5078766
• referencehttps://support.microsoft.com/help/5078766
• referencehttps://support.microsoft.com/help/5078737
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5078740
• referencehttps://support.microsoft.com/help/5078740
• referencehttps://support.microsoft.com/help/5078736
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5079473
• referencehttps://support.microsoft.com/help/5079473
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5079420
• referencehttps://support.microsoft.com/help/5079420
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5078883
• referencehttps://support.microsoft.com/help/5078883
• patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5078734
• referencehttps://support.microsoft.com/help/5078734