CVE-2022-41125
Published: November 8, 2022
Official Description
Microsoft Windows Cryptographic Next Generation (CNG) Key Isolation Service contains an unspecified vulnerability that allows an attacker to gain SYSTEM-level privileges.
CISA KEV Advisory
Microsoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability
Microsoft Windows Cryptographic Next Generation (CNG) Key Isolation Service contains an unspecified vulnerability that allows an attacker to gain SYSTEM-level privileges.
Apply updates per vendor instructions.
Risk Analysis
This unspecified vulnerability in Microsoft Windows Cryptographic Next Generation (CNG) Key Isolation Service allows an attacker to gain SYSTEM-level privileges. Its presence in CISA's KEV catalog and active exploitation in the wild underscore its critical nature, even with a low EPSS score suggesting a lower overall exploitation probability for all internet-facing systems. Successful exploitation grants an attacker full control over the affected system.
This vulnerability is actively exploited in the wild, as confirmed by its inclusion in CISA's KEV catalog. The specific exploitation vector is not detailed but leads to SYSTEM-level privileges.
Apply the latest security updates from Microsoft for the Windows CNG Key Isolation Service. Ensure systems are regularly patched and implement principle of least privilege for all users.
Technical Analysis
CVE-2022-41125 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2022-41125 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-41125 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1