Vulnerability · Published Mar 10, 2026 · Assigned by microsoft

CVE-2026-25177Active Directory Domain Services Elevation of Privilege Vulnerability

High 8.8

In plain English

A high-severity security flaw in Windows 10 Version 1607 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.4% (higher than 72% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.4%top 28.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official 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 products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1607 10.0.14393.0 – before 10.0.14393.8957
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.8511
Microsoft Windows 10 Version 21H2 10.0.19044.0 – before 10.0.19044.7058
Microsoft Windows 10 Version 22H2 10.0.19045.0 – before 10.0.19045.7058
Microsoft Windows 11 version 22H3 10.0.22631.0 – before 10.0.22631.6783
Microsoft Windows 11 Version 23H2 10.0.22631.0 – before 10.0.22631.6783
Microsoft Windows 11 Version 24H2 10.0.26100.0 – before 10.0.26100.8037
Microsoft Windows 11 Version 25H2 10.0.26200.0 – before 10.0.26200.8037
Microsoft Windows 11 version 26H1 10.0.28000.0 – before 10.0.28000.1719
Microsoft Windows Server 2012 6.2.9200.0 – before 6.2.9200.25973
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – before 6.2.9200.25973
Microsoft Windows Server 2012 R2 6.3.9600.0 – before 6.3.9600.23074
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – before 6.3.9600.23074
Microsoft Windows Server 2016 10.0.14393.0 – before 10.0.14393.8957
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – before 10.0.14393.8957
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.8511
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.8511
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.4893
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 – before 10.0.25398.2207
Microsoft Windows Server 2025 10.0.26100.0 – before 10.0.26100.32522
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – before 10.0.26100.32522

Weakness: CWE-641 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References