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CVE

CVE-2026-32202

Microsoft Windows Protection Mechanism Failure Vulnerability

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

MEDIUM · CVSS 4.3 ⚠ CISA KEV EPSS 0.56822
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 2% of all CVEs by exploitation likelihood
Sigma rules0 YARA rules0
⬢

Required Remediation

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

⬡

Weakness Classification

CWE-693Protection Mechanism Failure
▤

Affected Products & Versions

14
microsoft windows 10 1607< 10.0.14393.9060
microsoft windows 10 1809< 10.0.17763.8644
microsoft windows 10 21h2< 10.0.19044.7184
microsoft windows 10 22h2< 10.0.19045.7184
microsoft windows 11 23h2< 10.0.22631.6936
microsoft windows 11 24h2< 10.0.26100.8246
microsoft windows 11 25h2< 10.0.26200.8246
microsoft windows 11 26h1< 10.0.28000.1836
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Apr 2026 · 06:17 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

2
cisaKEV-CVE-2026-32202
msrcCVE-2026-32202Spoofing
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-32202Third Party AdvisoryUS Government Resource
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