medium5.5Known exploited
CVE-2021-31955
Microsoft Windows Kernel Information Disclosure Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2021-11-03. Federal due date: 2021-11-17.
Apply updates per vendor instructions.
Impact
Windows Kernel Information Disclosure Vulnerability
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Windows 10 1809 | before 10.0.17763.1999 |
| Microsoft | Windows 10 1909 | before 10.0.18363.1621 |
| Microsoft | Windows 10 2004 | before 10.0.19041.1052 |
| Microsoft | Windows 10 20h2 | before 10.0.19042.1052 |
| Microsoft | Windows 10 21h1 | before 10.0.19043.1052 |
| Microsoft | Windows Server 2004 | before 10.0.19041.1052 |
| Microsoft | Windows Server 2019 | before 10.0.17763.1999 |
| Microsoft | Windows Server 20h2 | before 10.0.19042.1052 |