[ CVE-2023-28229 · Published 11 Apr 2023 ]

Microsoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability

Exploited · CISA KEV CVSS 7.0 EPSS 2%Fix available

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2023-10-04

[ Description ]Official description

Windows CNG Key Isolation Service Elevation of Privilege Vulnerability

CISA: Microsoft Windows Cryptographic Next Generation (CNG) Key Isolation Service contains an unspecified vulnerability that allows an attacker to gain specific limited SYSTEM privileges.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 25 Oct 2023): Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.