Junglewise Threat Intelligence

CVE-2023-28229: Microsoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability

CVE-2023-28229 · Severity: critical · CVSS 7 · Exploited in the wild · Published 2023-10-04

Technologies: Microsoft Windows Server 2008, Microsoft Windows Server 2016, Microsoft Windows 11, Microsoft Windows Server 2012, Microsoft Windows 10, Microsoft Windows Server 2022, Microsoft Windows Server 2019. Vendors: Microsoft.

Executive brief

The Microsoft Windows Cryptographic Next Generation (CNG) Key Isolation Service contains an elevation of privilege vulnerability. An attacker who successfully exploits this vulnerability can gain SYSTEM privileges. This vulnerability has been observed being exploited in the wild.

Affected products

  • Microsoft Windows 10 1507, 1607, 1809, 20H2, 21H2, 22H2
  • Microsoft Windows 11 21H2, 22H2
  • Microsoft Windows Server 2008 SP2, R2 SP1
  • Microsoft Windows Server 2012 2012, R2
  • Microsoft Windows Server 2016 -
  • Microsoft Windows Server 2019 -
  • Microsoft Windows Server 2022 -

Timeline

  • 2023-04-11: disclosed: NVD Published Date
  • 2023-10-04: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2023-10-25: other: CISA Due Date for remediation