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CVE-2025-26633
HIGH7.0
CISA KEV
Published 2025-03-11 · Updated 2026-08-05 · Source secure@microsoft.com
Description
Improper neutralization in Microsoft Management Console allows an unauthorized attacker to bypass a security feature locally.
CVSS vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-707
CISA Known-Exploited Vulnerability
Product: Microsoft — Windows
Name: Microsoft Windows Management Console (MMC) Improper Neutralization Vulnerability
Date added: 2025-03-11 · Due: 2025-04-01
USED IN RANSOMWARE
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26633
- https://www.vicarius.io/vsociety/posts/cve-2025-26633-security-feature-bypass-in-microsoft-management-console-detection-script
- https://www.vicarius.io/vsociety/posts/cve-2025-26633-security-feature-bypass-in-microsoft-management-console-mitigation-script
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-26633

