CVE-2022-41125: Microsoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability

Vulnerability summary

CVE-2022-41125 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in Microsoft Windows. It is known to be exploited: CISA lists it, first on 08-11-2022. EPSS estimates a 3.05% chance of exploitation in the next 30 days, higher than 87.3% of scored vulnerabilities.

Timeline

1. 08-11-2022
   Added to CISA KEVMicrosoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability
2. 09-11-2022
   PublishedVulnerability first disclosed.
3. 09-12-2022
   CISA remediation dueApply updates per vendor instructions.
4. 10-08-2026
   Last modifiedVulnerability information updated.

Description

Windows CNG Key Isolation Service Elevation of Privilege Vulnerability

• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.