NetSight
high7.8Known exploited

CVE-2021-31979

Microsoft Windows Kernel Privilege Escalation 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 Elevation of Privilege Vulnerability

Affected products

VendorProductAffected versions
MicrosoftWindows 10 1507
before 10.0.10240.19003
MicrosoftWindows 10 1607
before 10.0.14393.4530
MicrosoftWindows 10 1809
before 10.0.17763.2061
MicrosoftWindows 10 1909
before 10.0.18363.1679
MicrosoftWindows 10 2004
before 10.0.19041.1110
MicrosoftWindows 10 20h2
before 10.0.19042.1110
MicrosoftWindows 10 21h1
before 10.0.19043.1110
MicrosoftWindows 7
All versions
MicrosoftWindows 8.1
All versions
MicrosoftWindows Rt 8.1
All versions
MicrosoftWindows Server 2004
before 10.0.19041.1110
MicrosoftWindows Server 2008
All versions
Version r2

Weakness classification

References