CVE-2018-8639
CISA KEV RANSOMWARE
ACT NOW
Priority: 0.00
BB Relevance:
0/100
Published: N/A
Modified: N/A
First seen: 2026-10-29
Status: pending_score
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.
CISA Known Exploited Vulnerability
Vendor / Product
Microsoft — Windows
Date Added
2025-03-03
Remediation Due
2025-03-24
Ransomware Use
CONFIRMED
https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2018-8639 ; https://nvd.nist.gov/vuln/detail/CVE-2018-8639