CVE-2025-26633 · netVigilance record NV25-0061
Microsoft Windows Management Console (MMC) Improper Neutralization
past due ransomware
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA deadline 2025-04-01 · passed 1 year 5 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
Microsoft Windows Management Console (MMC) contains an improper neutralization vulnerability that allows an unauthorized attacker to bypass a security feature locally.
Who is affected
Microsoft Windows. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-707.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 1 year 5 months ago
Sources
- NVD entry for CVE-2025-26633 nvd.nist.gov/vuln/detail/CVE-2025-26633
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- msrc.microsoft.com msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-26633
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2025-26633