Microsoft Windows Protection Mechanism Failure Vulnerability

Technical Severity

CVSS v3.1 Metrics

MEDIUM

4.3 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Exploitation Likelihood

EPSS Prediction

7.19 %

Predictive Probability

Percentile Rank

91.6 th

Documented as more likely to be exploited than 91.6% of known CVEs.

Detection Date

Apr 28, 2026

Remediation Due

May 12, 2026

CISA Catalog Active

Threat Analysis

Microsoft Windows Shell contains a protection mechanism failure vulnerability that allows an unauthorized attacker to perform spoofing over a network.

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-2026-32202

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2026-32202