CVE-2018-8639: Microsoft Windows Win32k Improper Resource Shutdown or
Microsoft Windows Win32k Improper Resource Shutdown or Release Vulnerability. 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.
- CISA KEV-listed (remediation due 2025-03-24)
- used in ransomware campaigns
- EPSS 33.2% (97.0% percentile)