7.8

CVE-2022-21882

Warning

Win32k Elevation of Privilege Vulnerability

Data is provided by the National Vulnerability Database (NVD)
MicrosoftWindows 10 1809 HwPlatformx64 Version < 10.0.17763.2452
MicrosoftWindows 10 1809 HwPlatformx86 Version < 10.0.17763.2452
MicrosoftWindows 10 1909 Version < 10.0.18363.2037
MicrosoftWindows 10 20h2 Version < 10.0.19042.1466
MicrosoftWindows 10 21h1 Version < 10.0.19043.1466
MicrosoftWindows 10 21h2 Version < 10.0.19044.1466
MicrosoftWindows 11 21h2 Version < 10.0.22000.434
MicrosoftWindows Server 2019 Version < 10.0.17763.2452
MicrosoftWindows Server 2022 Version < 10.0.20348.469
MicrosoftWindows Server 20h2 Version < 10.0.19042.1466

04.02.2022: CISA Known Exploited Vulnerabilities (KEV) Catalog

Microsoft Win32k Privilege Escalation Vulnerability

Vulnerability

Microsoft Win32k contains an unspecified vulnerability that allows for privilege escalation.

Description

Apply updates per vendor instructions.

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 86.65% 0.994
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 7.2 3.9 10
AV:L/AC:L/Au:N/C:C/I:C/A:C
secure@microsoft.com 7 1 5.9
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.