[ CVE-2026-32202 · Published 14 Apr 2026 ]
Microsoft Windows Protection Mechanism Failure Vulnerability
Exploited · CISA KEV CVSS 4.3
EPSS 5%No fix listed yet
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2026-04-28
[ Description ]Official description
Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.
CISA: Microsoft Windows Shell contains a protection mechanism failure vulnerability that allows an unauthorized attacker to perform spoofing over a network.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 12 May 2026): Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.
[ References ]References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32202Vendor Advisory
- www.vicarius.io/vsociety/posts/cve-2026-32202-detection-script-spoofing-vulnerability-i…Third Party Advisory
- www.vicarius.io/vsociety/posts/cve-2026-32202-mitigation-script-spoofing-vulnerability-…MitigationThird Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalogThird Party AdvisoryUS Government Resource