Junglewise Threat Intelligence

CVE-2018-8589: Microsoft Win32k Privilege Escalation Vulnerability

CVE-2018-8589 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2022-05-23

Technologies: Microsoft Windows 7, Microsoft Windows Server 2008 R2, Microsoft Windows Server 2008, Microsoft Win32K. Vendors: Microsoft.

Executive brief

An elevation of privilege vulnerability exists in the Windows kernel-mode driver Win32k.sys due to improper handling of calls. A local attacker could exploit this to execute code with SYSTEM privileges.

Affected products

  • Microsoft Windows 7 Service Pack 1
  • Microsoft Windows Server 2008 Service Pack 2
  • Microsoft Windows Server 2008 R2 Service Pack 1

Timeline

  • 2018-11-13: disclosed: NVD Published Date
  • 2022-05-23: kev added: Added to CISA Known Exploited Vulnerabilities Catalog

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