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UNKNOWNKNOWN EXPLOITED

CVE-2026-21510

Microsoft Windows Shell Protection Mechanism Failure Vulnerability

Published
2026-02-10
Modified
2026-07-31
Sources
cisa-kev

Summary

Microsoft Windows Shell contains a protection mechanism failure vulnerability that could allow an unauthorized attacker to bypass a security feature over a network.

References

Includes data from the CISA Known Exploited Vulnerabilities catalog.

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