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UNKNOWNKNOWN EXPLOITEDRANSOMWARE: KNOWN

CVE-2018-8639

Microsoft Windows Win32k Improper Resource Shutdown or Release Vulnerability

Published
2025-03-03
Modified
2026-07-31
Sources
cisa-kev

Summary

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.

References

Includes data from the CISA Known Exploited Vulnerabilities catalog.

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