Known Exploited Vulnerability: CVE-2018-8589

Microsoft Win32k Privilege Escalation Vulnerability

Catalog version: 2026.07.14 Date added: 2022-05-23 Due date: 2022-06-13 CISA catalog

Vendor: Microsoft

Product: Win32k

Required action: Apply updates per vendor instructions.

Known ransomware campaign use: Unknown

Notes: https://nvd.nist.gov/vuln/detail/CVE-2018-8589

cvelogic Threat Intelligence