CVE-2026-21510
MI
Microsoft Windows
Microsoft Windows Shell Protection Mechanism Failure Vulnerability
What it is
Microsoft Windows Shell contains a protection mechanism failure vulnerability that could allow an unauthorized attacker to bypass a security feature over a network.
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vendor notices and references
Description and required action as published by CISA. Full record at NVD.
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