Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-21510

Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.064
EPSS Ranking 90.8%
CVSS Severity
CVSS v3 Score 8.8
Proposed Action
Microsoft Windows Shell contains a protection mechanism failure vulnerability that could allow an unauthorized attacker to bypass a security feature over a network.
Ransomware Campaign
Unknown
Products affected by CVE-2026-21510


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