CVE-2026-32202
KEVMicrosoft Windows Protection Mechanism Failure Vulnerability
Description
Microsoft Windows Shell contains a protection mechanism failure vulnerability that allows an unauthorized attacker to perform spoofing over a network.
Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NPublishedApr 14, 2026
Last modifiedOct 26, 2026
Added to KEVApr 28, 2026
Remediation dueMay 12, 2026
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32202Vendor Advisory
- vicarius.io/vsociety/posts/cve-2026-32202-detection-script-spoofing-vulnerability-in-windows-shellThird Party Advisory
- vicarius.io/vsociety/posts/cve-2026-32202-mitigation-script-spoofing-vulnerability-in-windows-shellMitigationThird Party Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-32202Third Party AdvisoryUS Government Resource
0 recent articles mention this CVE
59
Risk assessment · Medium
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 169 days
- CVSS
- 4.3 MEDIUM
- EPSS (30-day exploit probability)
- 70.9% · top 1% of all CVEs
- Weakness
- CWE-693
- Attack vector
- Network, remotely reachable
Recommended actions
- 1.Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.