CVE-2022-41125
Microsoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability
Microsoft WindowsOperating systems
CVSS
7.8HighExploit odds (EPSS)3.05%Chance of exploitation activity in the next 30 days, higher than 87% of CVEs. Scored 23 Oct 2026FIRST EPSS
CISA required actionApply updates per vendor instructions. CISA KEV
What fixes it
- 10.0.10240.19567Windows 10 Version 1507CVE List
- 10.0.14393.5501Windows 10 Version 1607CVE List
- 10.0.17763.3650Windows 10 Version 1809CVE List
- 10.0.19042.2251Windows 10 Version 20H2CVE List
- 10.0.19043.2251Windows 10 Version 21H1CVE List
- 10.0.19044.2251Windows 10 Version 21H2CVE List
Show all 19 fixed versions
- 10.0.19045.2251Windows 10 Version 22H2CVE List
- 10.0.22000.1219Windows 11 version 21H2CVE List
- 10.0.22621.819Windows 11 version 22H2CVE List
- 6.3.9600.20671Windows 8.1CVE List
- 6.2.9200.23968Windows Server 2012CVE List
- 6.2.9200.23968Windows Server 2012 (Server Core installation)CVE List
- 6.3.9600.20671Windows Server 2012 R2CVE List
- 6.3.9600.20671Windows Server 2012 R2 (Server Core installation)CVE List
- 10.0.14393.5501Windows Server 2016CVE List
- 10.0.14393.5501Windows Server 2016 (Server Core installation)CVE List
- 10.0.17763.3650Windows Server 2019CVE List
- 10.0.17763.3650Windows Server 2019 (Server Core installation)CVE List
- 10.0.20348.1249Windows Server 2022CVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Timeline
Description
Microsoft Windows Cryptographic Next Generation (CNG) Key Isolation Service contains an unspecified vulnerability that allows an attacker to gain SYSTEM-level privileges.
Text from CVE List
Affected versions 20
- Windows 10 Version 1507affected: 10.0.10240.0 before 10.0.10240.19567CVE List
- Windows 10 Version 1607affected: 10.0.14393.0 before 10.0.14393.5501CVE List
- Windows 10 Version 1809affected: 10.0.17763.0 before 10.0.17763.3650CVE List
- Windows 10 Version 1809affected: 10.0.0 before 10.0.17763.3650CVE List
- Windows 10 Version 20H2affected: 10.0.0 before 10.0.19042.2251CVE List
- Windows 10 Version 21H1affected: 10.0.0 before 10.0.19043.2251CVE List
- Windows 10 Version 21H2affected: 10.0.19043.0 before 10.0.19044.2251CVE List
- Windows 10 Version 22H2affected: 10.0.19045.0 before 10.0.19045.2251CVE List
- Windows 11 version 21H2affected: 10.0.0 before 10.0.22000.1219CVE List
- Windows 11 version 22H2affected: 10.0.22621.0 before 10.0.22621.819CVE List
- Windows 8.1affected: 6.3.0 before 6.3.9600.20671CVE List
- Windows Server 2012affected: 6.2.9200.0 before 6.2.9200.23968CVE List
- Windows Server 2012 (Server Core installation)affected: 6.2.9200.0 before 6.2.9200.23968CVE List
- Windows Server 2012 R2affected: 6.3.9600.0 before 6.3.9600.20671CVE List
- Windows Server 2012 R2 (Server Core installation)affected: 6.3.9600.0 before 6.3.9600.20671CVE List
- Windows Server 2016affected: 10.0.14393.0 before 10.0.14393.5501CVE List
- Windows Server 2016 (Server Core installation)affected: 10.0.14393.0 before 10.0.14393.5501CVE List
- Windows Server 2019affected: 10.0.17763.0 before 10.0.17763.3650CVE List
- Windows Server 2019 (Server Core installation)affected: 10.0.17763.0 before 10.0.17763.3650CVE List
- Windows Server 2022affected: 10.0.20348.0 before 10.0.20348.1249CVE List
References 4
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41125Advisoryvia CISA KEV
- msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41125Advisoryvia CVE List
- nvd.nist.gov/vuln/detail/CVE-2022-41125Referencevia CISA KEV
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-41125Referencevia CVE List