CVE-2026-32202
Medium 4.3 Exploited in the wild (KEV)
Confirmed active exploitation — CISA KEV catalog
- Name
- Microsoft Windows Protection Mechanism Failure Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Description
Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.
Metrics
- CVSS 3.1
-
4.3 (MEDIUM)
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N - EPSS — exploit probability
- 71% (percentile: 99) as of 1 November 2026
- CWE
- CWE-693
Affected products
microsoft: windows 10 1607; microsoft: windows 10 1809; microsoft: windows 10 21h2; microsoft: windows 10 22h2; microsoft: windows 11 23h2; microsoft: windows 11 24h2; microsoft: windows 11 25h2; microsoft: windows 11 26h1; microsoft: windows server 2012; microsoft: windows server 2016; microsoft: windows server 2019; microsoft: windows server 2022; microsoft: windows server 2022 23h2; microsoft: windows server 2025
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32202 Vendor Advisory
- https://www.vicarius.io/vsociety/posts/cve-2026-32202-detection-script-spoofing… Third Party Advisory
- https://www.vicarius.io/vsociety/posts/cve-2026-32202-mitigation-script-spoofin… MitigationThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026… Third Party AdvisoryUS Government Resource