Risk Letters

Exploited vulnerability

CVE-2018-8589

TLP:CLEAR

Microsoft Win32k Privilege Escalation Vulnerability

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.

Facts

  • Vendor: Microsoft
  • Product: Win32k
  • CVSS: 7.8
  • EPSS (probability of exploitation within 30 days): 3 %
  • On CISA's Known Exploited Vulnerabilities list since: 23 May 2022
  • First known exploitation: 23 May 2022
  • CISA's deadline for US federal agencies: 13 June 2022
  • First seen by Risk Letters: 23 May 2022

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD