April 28, 2026 · Applied Cybernetics Group
CVE-2026-32202 — Microsoft Windows
Microsoft Windows Protection Mechanism Failure Vulnerability
- Added to KEV
2026-04-28- Federal due date
2026-05-12- Vendor
- Microsoft
- Product
- Windows
- EPSS
- 98.0th percentile (score 0.531, as of
2026-06-08) - NVD CVSS v3.1
- 4.3 (MEDIUM)
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2026-32202
CISA short description
Microsoft Windows Shell contains a protection mechanism failure vulnerability that allows an unauthorized attacker to perform spoofing over a network.
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.
NVD description
Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.