Actively exploited · Published Mar 11, 2025 · Assigned by microsoft

CVE-2025-26633Microsoft Management Console Security Feature Bypass Vulnerability

High 7.0 Exploited Ransomware

In plain English

A high-severity security flaw in Windows 10 Version 1507 from Microsoft. Attackers are actively exploiting it in the wild (listed by CISA on March 11, 2025). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 30.4% (higher than 98% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Severity (CVSS 3.1)7.0High
Exploit odds (30 days)30.4%top 1.8% of all CVEs
Exploited in the wildYesCISA KEV since Mar 11, 2025
Attack tooling1Public PoC

CISA guidance

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Federal agencies must remediate by Apr 1, 2025.

Official description

Improper neutralization in Microsoft Management Console allows an unauthorized attacker to bypass a security feature locally.

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1507 10.0.10240.0 – before 10.0.10240.20947
Microsoft Windows 10 Version 1607 10.0.14393.0 – before 10.0.14393.7876
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.7009
Microsoft Windows 10 Version 21H2 10.0.19044.0 – before 10.0.19044.5608
Microsoft Windows 10 Version 22H2 10.0.19045.0 – before 10.0.19045.5608
Microsoft Windows 11 version 22H2 10.0.22621.0 – before 10.0.22621.5039
Microsoft Windows 11 version 22H3 10.0.22631.0 – before 10.0.22631.5039
Microsoft Windows 11 Version 23H2 10.0.22631.0 – before 10.0.22631.5039
Microsoft Windows 11 Version 24H2 10.0.26100.0 – before 10.0.26100.3476
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 – before 6.1.7601.27618
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 – before 6.1.7601.27618
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.23168
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 – before 6.0.6003.23168
Microsoft Windows Server 2012 6.2.9200.0 – before 6.2.9200.25368
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – before 6.2.9200.25368
Microsoft Windows Server 2012 R2 6.3.9600.0 – before 6.3.9600.22470
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – before 6.3.9600.22470
Microsoft Windows Server 2016 10.0.14393.0 – before 10.0.14393.7876
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – before 10.0.14393.7876
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.7009
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.7009
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.3328
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 – before 10.0.25398.1486
Microsoft Windows Server 2025 10.0.26100.0 – before 10.0.26100.3476
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – before 10.0.26100.3476

Weakness: CWE-707 · Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

References