CVE-2026-32202

Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.

Score

CVSS 3.1 4.3 Medium

Status

Analyzed - secure@microsoft.com

Published

2026-04-14

Last modified

2026-10-26

Known exploited (CISA KEV)

since 2026-04-28, action due 2026-05-12: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Weaknesses

CWE-693

Affected products

• Windows 10 1607 (Microsoft)
• Windows 10 1809 (Microsoft)
• Windows 10 21H2 (Microsoft)
• Windows 10 21h2 (Microsoft)
• Windows 10 22H2 (Microsoft)
• Windows 10 22h2 (Microsoft)
• Windows 11 23H2 (Microsoft)
• Windows 11 23h2 (Microsoft)
• Windows 11 24H2 (Microsoft)
• Windows 11 24h2 (Microsoft)
• Windows 11 25H2 (Microsoft)
• Windows 11 25h2 (Microsoft)
• Windows 11 26H1 (Microsoft)
• Windows 11 26h1 (Microsoft)
• Windows Server 2012 (Microsoft)
• Windows Server 2012 R2 (Microsoft)
• Windows Server 2016 (Microsoft)
• Windows Server 2019 (Microsoft)
• Windows Server 2022 (Microsoft)
• Windows Server 2022 23h2 (Microsoft)
• Windows Server 2025 (Microsoft)

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32202
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-32202
• https://www.vicarius.io/vsociety/posts/cve-2026-32202-detection-script-spoofing-vulnerability-in-windows-shell
• https://www.vicarius.io/vsociety/posts/cve-2026-32202-mitigation-script-spoofing-vulnerability-in-windows-shell