CVE-2026-32202 KEV EXPLOIT
4.3
MEDIUM · CVSS 3.1 · EPSS 4.9% (pctl 92)
Patch first
On CISA KEV — known exploited in the wild, due 2026-05-12.
Description
Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.
Scoring
| CVSS | 4.3 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
| EPSS | 4.9% — more likely to be exploited than 92% of all CVEs |
| Weakness | CWE-693 |
| On CISA KEV | yes — remediate by 2026-05-12 |
| Public exploit | yes |
| Published | 2026-04-14 |
| Last modified | 2026-08-14 |
CISA KEV
| Name | Microsoft Windows Protection Mechanism Failure Vulnerability |
|---|---|
| Added | 2026-04-28 |
| Due | 2026-05-12 |
| Vendor / product | Microsoft / Windows |
| Ransomware use | none reported |
Affected (14)
| Vendor | Product |
|---|---|
| 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 |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Microsoft - NTLMv2 Hash Capture | 2026-05-29 |
References
- https://msrc.microsoft.com/update-guide/vulnerability/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
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-32202
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