Microsoft Windows Management Console (MMC) Improper Neutralization Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

CVSS v3.1 Metrics

HIGH

7 / 10

Minimal Risk Critical

Vector Specification

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

Exploitation Likelihood

EPSS Prediction

6.36 %

Predictive Probability

Percentile Rank

90.9 th

Documented as more likely to be exploited than 90.9% of known CVEs.

Detection Date

Mar 11, 2025

Remediation Due

Apr 01, 2025

CISA Catalog Active

Threat Analysis

Microsoft Windows Management Console (MMC) contains an improper neutralization vulnerability that allows an unauthorized attacker to bypass a security feature locally.

Remediation Directive

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

External Intelligence

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-26633

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2025-26633