CVE-2025-26633 — Microsoft Windows Management Console (MMC) Improper Neutralization Vulnerability
CVE-2025-26633: Microsoft Windows Management Console (MMC) Improper Neutralization Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Microsoft |
| Product | Windows |
| Date added | 2025-03-11 |
| Due date | 2025-04-01 |
| Ransomware campaign use | Known |
Description
Microsoft Windows Management Console (MMC) contains an improper neutralization vulnerability that allows an unauthorized attacker to bypass a security feature locally.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-26633 ; https://nvd.nist.gov/vuln/detail/CVE-2025-26633
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-26633
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog