CVEs / CVE-2022-41125
CVE-2022-41125: Microsoft Windows CNG Key Isolation Service Privilege Escalation Vulnerability
- Known exploited in the CISA KEV catalog since 8 Nov 2022
- high 7.8 CVSS 3.1 (from the CNA)
- EPSS 3.04% chance of exploitation in the next 30 days, higher than 87% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Microsoft Windows Cryptographic Next Generation (CNG) Key Isolation Service contains an unspecified vulnerability that allows an attacker to gain SYSTEM-level privileges.
Description
Windows CNG Key Isolation Service Elevation of Privilege Vulnerability
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Windows 10 Version 1507 | from 10.0.10240.0, before 10.0.10240.19567 | 10.0.10240.19567 |
| Microsoft Windows 10 Version 1607 | from 10.0.14393.0, before 10.0.14393.5501 | 10.0.14393.5501 |
| Microsoft Windows 10 Version 1809 | from 10.0.17763.0, before 10.0.17763.3650 | 10.0.17763.3650 |
| Microsoft Windows 10 Version 1809 | from 10.0.0, before 10.0.17763.3650 | 10.0.17763.3650 |
| Microsoft Windows 10 Version 20H2 | from 10.0.0, before 10.0.19042.2251 | 10.0.19042.2251 |
| Microsoft Windows 10 Version 21H1 | from 10.0.0, before 10.0.19043.2251 | 10.0.19043.2251 |
| Microsoft Windows 10 Version 21H2 | from 10.0.19043.0, before 10.0.19044.2251 | 10.0.19044.2251 |
| Microsoft Windows 10 Version 22H2 | from 10.0.19045.0, before 10.0.19045.2251 | 10.0.19045.2251 |
| Microsoft Windows 11 version 21H2 | from 10.0.0, before 10.0.22000.1219 | 10.0.22000.1219 |
| Microsoft Windows 11 version 22H2 | from 10.0.22621.0, before 10.0.22621.819 | 10.0.22621.819 |
| Microsoft Windows 8.1 | from 6.3.0, before 6.3.9600.20671 | 6.3.9600.20671 |
| Microsoft Windows Server 2012 | from 6.2.9200.0, before 6.2.9200.23968 | 6.2.9200.23968 |
| Microsoft Windows Server 2012 (Server Core installation) | from 6.2.9200.0, before 6.2.9200.23968 | 6.2.9200.23968 |
| Microsoft Windows Server 2012 R2 | from 6.3.9600.0, before 6.3.9600.20671 | 6.3.9600.20671 |
| Microsoft Windows Server 2012 R2 (Server Core installation) | from 6.3.9600.0, before 6.3.9600.20671 | 6.3.9600.20671 |
| Microsoft Windows Server 2016 | from 10.0.14393.0, before 10.0.14393.5501 | 10.0.14393.5501 |
| Microsoft Windows Server 2016 (Server Core installation) | from 10.0.14393.0, before 10.0.14393.5501 | 10.0.14393.5501 |
| Microsoft Windows Server 2019 | from 10.0.17763.0, before 10.0.17763.3650 | 10.0.17763.3650 |
| Microsoft Windows Server 2019 (Server Core installation) | from 10.0.17763.0, before 10.0.17763.3650 | 10.0.17763.3650 |
| Microsoft Windows Server 2022 | from 10.0.20348.0, before 10.0.20348.1249 | 10.0.20348.1249 |
Exploitation
| In CISA KEV since | 8 Nov 2022 |
|---|---|
| Due date for US federal agencies | 9 Dec 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 7.8 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-787 |
References
- CVE-2022-41125 on NVD
- CVE-2022-41125 in the CISA KEV catalog
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41125 (cited by CISA)
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41125 Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-41125 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.