Microsoft Windows Common Log File System Driver contains a privilege escalation vulnerability that could allow a local, privileged attacker to bypass certain security mechanisms.
Product
Windows
Added to KEV
6 Oct 2025
Federal remediation due
27 Oct 2025
Known ransomware use
Yes
Page history
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CVE-2021-43226
Listed in CISA KEV · added 6 Oct 2025 · Microsoft · Windows
Microsoft Windows Common Log File System Driver contains a privilege escalation vulnerability that could allow a local, privileged attacker to bypass certain security mechanisms.
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