Windows CNG Key Isolation Service Elevation of Privilege Vulnerability
Priority CRITICAL 93Exploited in the wildCWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Microsoft. Impact type from Microsoft.
Summary
Windows CNG Key Isolation Service Elevation of Privilege Vulnerability
Why it matters now
Exploitation Active In CISA KEV since 2022-11-08CISA due date 2022-12-09
EPSS 0.03046 87th percentileScored 2026-11-07
Fix Fixed Microsoft: 12 updates
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Windows 10 Version 1507 | 10.0.10240.0 to before 10.0.10240.19567 | 10.0.10240.19567 | Patch available | CNA |
| Microsoft | Windows 10 Version 1607 | 10.0.14393.0 to before 10.0.14393.5501 | 10.0.14393.5501 | Patch available | CNA |
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 to before 10.0.17763.3650 | 10.0.17763.3650 | Patch available | CNA |
| Microsoft | Windows 10 Version 1809 | 10.0.0 to before 10.0.17763.3650 | 10.0.17763.3650 | Patch available | CNA |
| Microsoft | Windows 10 Version 20H2 | 10.0.0 to before 10.0.19042.2251 | 10.0.19042.2251 | Patch available | CNA |
| Microsoft | Windows 10 Version 21H1 | 10.0.0 to before 10.0.19043.2251 | 10.0.19043.2251 | Patch available | CNA |
| Microsoft | Windows 10 Version 21H2 | 10.0.19043.0 to before 10.0.19044.2251 | 10.0.19044.2251 | Patch available | CNA |
| Microsoft | Windows 10 Version 22H2 | 10.0.19045.0 to before 10.0.19045.2251 | 10.0.19045.2251 | Patch available | CNA |
| Microsoft | Windows 11 version 21H2 | 10.0.0 to before 10.0.22000.1219 | 10.0.22000.1219 | Patch available | CNA |
| Microsoft | Windows 11 version 22H2 | 10.0.22621.0 to before 10.0.22621.819 | 10.0.22621.819 | Patch available | CNA |
| Microsoft | Windows 8.1 | 6.3.0 to before 6.3.9600.20671 | 6.3.9600.20671 | Patch available | CNA |
| Microsoft | Windows Server 2012 | 6.2.9200.0 to before 6.2.9200.23968 | 6.2.9200.23968 | Patch available | CNA |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 to before 6.2.9200.23968 | 6.2.9200.23968 | Patch available | CNA |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 to before 6.3.9600.20671 | 6.3.9600.20671 | Patch available | CNA |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 to before 6.3.9600.20671 | 6.3.9600.20671 | Patch available | CNA |
| Microsoft | Windows Server 2016 | 10.0.14393.0 to before 10.0.14393.5501 | 10.0.14393.5501 | Patch available | CNA |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 to before 10.0.14393.5501 | 10.0.14393.5501 | Patch available | CNA |
| Microsoft | Windows Server 2019 | 10.0.17763.0 to before 10.0.17763.3650 | 10.0.17763.3650 | Patch available | CNA |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 to before 10.0.17763.3650 | 10.0.17763.3650 | Patch available | CNA |
| Microsoft | Windows Server 2022 | 10.0.20348.0 to before 10.0.20348.1249 | 10.0.20348.1249 | Patch available | CNA |
- Windows 10 Version 1507 VendorMicrosoft Affected 10.0.10240.0 to before 10.0.10240.19567 Fixed in 10.0.10240.19567 Patch available CNA
- Windows 10 Version 1607 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.5501 Fixed in 10.0.14393.5501 Patch available CNA
- Windows 10 Version 1809 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.3650 Fixed in 10.0.17763.3650 Patch available CNA
- Windows 10 Version 1809 VendorMicrosoft Affected 10.0.0 to before 10.0.17763.3650 Fixed in 10.0.17763.3650 Patch available CNA
- Windows 10 Version 20H2 VendorMicrosoft Affected 10.0.0 to before 10.0.19042.2251 Fixed in 10.0.19042.2251 Patch available CNA
- Windows 10 Version 21H1 VendorMicrosoft Affected 10.0.0 to before 10.0.19043.2251 Fixed in 10.0.19043.2251 Patch available CNA
- Windows 10 Version 21H2 VendorMicrosoft Affected 10.0.19043.0 to before 10.0.19044.2251 Fixed in 10.0.19044.2251 Patch available CNA
- Windows 10 Version 22H2 VendorMicrosoft Affected 10.0.19045.0 to before 10.0.19045.2251 Fixed in 10.0.19045.2251 Patch available CNA
- Windows 11 version 21H2 VendorMicrosoft Affected 10.0.0 to before 10.0.22000.1219 Fixed in 10.0.22000.1219 Patch available CNA
- Windows 11 version 22H2 VendorMicrosoft Affected 10.0.22621.0 to before 10.0.22621.819 Fixed in 10.0.22621.819 Patch available CNA
- Windows 8.1 VendorMicrosoft Affected 6.3.0 to before 6.3.9600.20671 Fixed in 6.3.9600.20671 Patch available CNA
- Windows Server 2012 VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.23968 Fixed in 6.2.9200.23968 Patch available CNA
- Windows Server 2012 (Server Core installation) VendorMicrosoft Affected 6.2.9200.0 to before 6.2.9200.23968 Fixed in 6.2.9200.23968 Patch available CNA
- Windows Server 2012 R2 VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.20671 Fixed in 6.3.9600.20671 Patch available CNA
- Windows Server 2012 R2 (Server Core installation) VendorMicrosoft Affected 6.3.9600.0 to before 6.3.9600.20671 Fixed in 6.3.9600.20671 Patch available CNA
- Windows Server 2016 VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.5501 Fixed in 10.0.14393.5501 Patch available CNA
- Windows Server 2016 (Server Core installation) VendorMicrosoft Affected 10.0.14393.0 to before 10.0.14393.5501 Fixed in 10.0.14393.5501 Patch available CNA
- Windows Server 2019 VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.3650 Fixed in 10.0.17763.3650 Patch available CNA
- Windows Server 2019 (Server Core installation) VendorMicrosoft Affected 10.0.17763.0 to before 10.0.17763.3650 Fixed in 10.0.17763.3650 Patch available CNA
- Windows Server 2022 VendorMicrosoft Affected 10.0.20348.0 to before 10.0.20348.1249 Fixed in 10.0.20348.1249 Patch available CNA
CPE configurations NVD · 16
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:* | before 10.0.10240.19567 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:* | before 10.0.14393.5501 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:* | before 10.0.17763.3650 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:* | before 10.0.19042.2251 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:* | before 10.0.19043.2251 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* | before 10.0.19044.2251 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* | before 10.0.19045.2251 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:* | before 10.0.22000.1219 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* | before 10.0.22621.819 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:* Versions before 10.0.10240.19567 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:* Versions before 10.0.14393.5501 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:* Versions before 10.0.17763.3650 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:* Versions before 10.0.19042.2251 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:* Versions before 10.0.19043.2251 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* Versions before 10.0.19044.2251 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:* Versions before 10.0.19045.2251 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:* Versions before 10.0.22000.1219 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* Versions before 10.0.22621.819 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
Show 6 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:rt:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* | r2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* | before 10.0.14393.5501 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* | before 10.0.17763.3650 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* | before 10.0.20348.1249 | Vulnerable | Microsoft |
- cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:rt:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* Versions r2 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* Versions before 10.0.14393.5501 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* Versions before 10.0.17763.3650 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* Versions before 10.0.20348.1249 Vulnerable ·Microsoft
Remediation
Microsoft 12 updates
- Monthly Rollup
- Windows 8.1 for 32-bit systems 6.3.9600.20671
- Windows 8.1 for x64-based systems 6.3.9600.20671
- Windows RT 8.1 6.3.9600.20671
- Windows Server 2012 R2 6.3.9600.20671
- Windows Server 2012 R2 (Server Core installation) 6.3.9600.20671
- Security Only
- Windows 8.1 for 32-bit systems 6.3.9600.20670
- Windows 8.1 for x64-based systems 6.3.9600.20670
- Windows RT 8.1 6.3.9600.20670
- Windows Server 2012 R2 6.3.9600.20670
- Windows Server 2012 R2 (Server Core installation) 6.3.9600.20670
- Monthly Rollup
- Windows Server 2012 6.2.9200.23968
- Windows Server 2012 (Server Core installation) 6.2.9200.23968
Show 9 more Microsoft updates
- Security Only
- Windows Server 2012 6.2.9200.23968
- Windows Server 2012 (Server Core installation) 6.2.9200.23968
- Security Update
- Windows 11 Version 22H2 for ARM64-based Systems 10.0.22621.819
- Windows 11 Version 22H2 for x64-based Systems 10.0.22621.819
- Security Update
- Microsoft .NET Framework 4.6/4.6.2 10.0.10240.19567
- Windows 10 for 32-bit Systems 10.0.10240.19562, 10.0.10240.19567
- Windows 10 for x64-based Systems 10.0.10240.19562, 10.0.10240.19567
- Security Update
- Windows 10 Version 1809 for 32-bit Systems 10.0.17763.3650
- Windows 10 Version 1809 for ARM64-based Systems 10.0.17763.3650
- Windows 10 Version 1809 for x64-based Systems 10.0.17763.3650
- Windows Server 2019 10.0.17763.3650
- Windows Server 2019 (Server Core installation) 10.0.17763.3650
- Security Update
- Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 10.0.14393.5501
- Windows 10 Version 1607 for 32-bit Systems 10.0.14393.5501
- Windows 10 Version 1607 for x64-based Systems 10.0.14393.5501
- Windows Server 2016 10.0.14393.5501
- Windows Server 2016 (Server Core installation) 10.0.14393.5501
- Security Update
- Windows 11 version 21H2 for ARM64-based Systems 10.0.22000.1219
- Windows 11 version 21H2 for x64-based Systems 10.0.22000.1219
- Security Update
- Windows 10 Version 20H2 for 32-bit Systems 10.0.19042.2251
- Windows 10 Version 20H2 for ARM64-based Systems 10.0.19042.2251
- Windows 10 Version 21H1 for 32-bit Systems 10.0.19043.2251
- Windows 10 Version 21H1 for ARM64-based Systems 10.0.19043.2251
- Windows 10 Version 21H1 for x64-based Systems 10.0.19043.2251
- Windows 10 Version 21H2 for 32-bit Systems 10.0.19044.2251
- Windows 10 Version 21H2 for ARM64-based Systems 10.0.19044.2251
- Windows 10 Version 21H2 for x64-based Systems 10.0.19044.2251
- Windows 10 Version 22H2 for 32-bit Systems 10.0.19045.2251
- Windows 10 Version 22H2 for ARM64-based Systems 10.0.19045.2251
- Windows 10 Version 22H2 for x64-based Systems 10.0.19045.2251
- Security Update
- Windows Server 2022 10.0.20348.1249
- Windows Server 2022 (Server Core installation) 10.0.20348.1249
- Security Hotpatch Update
- Windows Server 2022 10.0.20348.1251
- Windows Server 2022 (Server Core installation) 10.0.20348.1251
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Elevation of Privilege
- Exploited
- Yes
- Publicly disclosed
- No
- Exploitability
- Exploitation Detected
Timeline
- 2022-11-08 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2022-41125
- 2026-10-03 Alias added: GHSA-5vr9-7945-27pf
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- TI-2025-24042 Internet Shortcut Files Remote Code Execution Vulnerability KEVCVSS 3.1HIGH 8.8
- TI-2024-32708 Windows Task Scheduler Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
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- TI-2024-19802 Windows MSHTML Platform Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2022-41125 · CVE Program
- CVE-2022-41125 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-5vr9-7945-27pf · GitHub Advisory Database · CC BY 4.0
- CVE-2022-41125 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences