CISA Known Exploited Vulnerability
This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.
Remediation Deadline: Mar 24, 2025
Description
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.
EPSS — Exploit Probability
31.9%
Higher than 96.7% of all CVEs
Required Action
https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2018-8639 ; https://nvd.nist.gov/vuln/detail/CVE-2018-8639
Risk Assessment
HIGHIn CISA KEV
Ransomware
Details
- Severity
- High
- EPSS
- 31.9%
- CISA KEV
- Yes
- Ransomware
- Known
- Articles
- 0
Timeline
Published
Mar 3, 2025
Added to KEV
Mar 3, 2025
Remediation Due
Mar 24, 2025