high8.8Known exploited
CVE-2023-21674
Microsoft Windows Advanced Local Procedure Call (ALPC) Privilege Escalation Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2023-01-10. Federal due date: 2023-01-31.
Apply updates per vendor instructions.
Impact
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 10 1507 | before 10.0.10240.19685 |
| Microsoft | Windows 10 1607 | before 10.0.14393.5648 |
| Microsoft | Windows 10 1809 | before 10.0.17763.3887 |
| Microsoft | Windows 10 20h2 | before 10.0.19042.2486 |
| Microsoft | Windows 10 21h2 | before 10.0.19044.2486 |
| Microsoft | Windows 10 22h2 | before 10.0.19045.2486 |
| Microsoft | Windows 11 21h2 | before 10.0.22000.1455 |
| Microsoft | Windows 11 22h2 | before 10.0.22621.1105 |
| Microsoft | Windows Rt 8.1 | All versions |
| Microsoft | Windows Server 2012 | Version r2 |
| Microsoft | Windows Server 2016 | before 10.0.14393.5648 |
| Microsoft | Windows Server 2019 | before 10.0.17763.3887 |