CVE-2026-25177HighCVSS 8.8

Active Directory Domain Services Elevation of Privilege Vulnerability

Published
May 31, 2026
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2026-25177 →

📋 Description

Improper restriction of names for files and other resources in Active Directory Domain Services allows an authorized attacker to elevate privileges over a network.

🎯 Affected products31

  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • 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 2012
  • Windows Server 2012 (Server Core installation)
  • Windows Server 2012 R2
  • Windows Server 2012 R2 (Server Core installation)
  • Windows Server 2016
  • Windows Server 2016 (Server Core installation)
  • Windows Server 2019
  • Windows Server 2019 (Server Core installation)
  • Windows Server 2022
  • Windows Server 2022 (Server Core installation)
  • Windows Server 2022, 23H2 Edition (Server Core installation)
  • Windows Server 2025
  • +1 more not shown

✅ Remediation

KB5078752 (Security Update) — fixed build 10.0.17763.8511 KB5078766 (Security Update) — fixed build 10.0.20348.4893 KB5078737 (Security Hotpatch Update) — fixed build 10.0.20348.4830 KB5078885 (Security Update) — fixed build 10.0.19044.7058 KB5078885 (Security Update) — fixed build 10.0.19045.7058 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 KB5078938 (Security Update) — fixed build 10.0.14393.8957 KB5078775 (Monthly Rollup) — fixed build 6.2.9200.25973 KB5078774 (Monthly Rollup) — fixed build 6.3.9600.23074 KB5079466 (Security Update) — fixed build 10.0.28000.1719

🔗 References (27)