Microsoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability (CVE-2023-28229)
Severity: high · Patch status: patched · Since 2023-10-04 · CVE-2023-28229
Microsoft Windows Cryptographic Next Generation (CNG) Key Isolation Service contains an unspecified vulnerability that allows an attacker to gain specific limited SYSTEM privileges. CISA added CVE-2023-28229 to its Known Exploited Vulnerabilities catalog on Oct 4, 2023, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Oct 25, 2023 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
