CVE-2018-8589: Microsoft Win32k Privilege Escalation Vulnerability

CISA Known Exploited Vulnerability (KEV)

Description

A privilege escalation vulnerability exists when Windows improperly handles calls to Win32k.sys. An attacker who successfully exploited this vulnerability could run remote code in the security context of the local system.

Required action (CISA)

Apply updates per vendor instructions.

Notes

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

Weakness behind it

CISA has not recorded a CWE for this entry, so the CVE → CWE → CAPEC → ATT&CK chain cannot be walked from here. That is a gap in the catalogue, not evidence the vulnerability has no weakness class — check the NVD record below.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-8589
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog