Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.
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Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2026-04-28), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 4.3 retained for reference. Confidence: HIGH.
Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network.
April 14, 2026
May 26, 2026
Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-32202Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32202These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
Working exploit code is in the public domain (1 GitHub PoC) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
Microsoft - NTLMv2 Hash Capture
Open source ↗Windows Shell Spoofing Vulnerability
Open source ↗See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-32202
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