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CVE-2018-8639CISA KEV

Microsoft Windows Win32k Improper Resource Shutdown or Release Vulnerability

CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.

CISA KEV Check MSRC

CISA catalog record

Microsoft Windows Win32k contains an improper resource shutdown or release vulnerability that allows for local, authenticated privilege escalation. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode.

Product
Windows
Added to KEV
3 Mar 2025
Federal remediation due
24 Mar 2025
Known ransomware use
Yes
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