Junglewise Threat Intelligence

CVE-2018-8120: Microsoft Win32k Privilege Escalation Vulnerability

CVE-2018-8120 · Severity: critical · CVSS 7 · Exploited in the wild · Published 2022-03-15

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 Windows when the Win32k component fails to properly handle objects in memory. A local attacker could exploit this to gain elevated 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

  • 2018-05-08: disclosed: MSRC advisory published
  • 2018-05-08: patched: Microsoft released security updates
  • 2022-03-15: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2022-03-15: exploited: Confirmed exploited in the wild per CISA KEV catalog

Related threats