7.8

CVE-2021-31979

Warning

Windows Kernel Elevation of Privilege Vulnerability

Data is provided by the National Vulnerability Database (NVD)
Microsoft ≫ Windows 10 Version1809
Microsoft ≫ Windows 10 1507 Version < 10.0.10240.19003
Microsoft ≫ Windows 10 1607 Version < 10.0.14393.4530
Microsoft ≫ Windows 10 1809 Version < 10.0.17763.2061
Microsoft ≫ Windows 10 1909 Version < 10.0.18363.1679
Microsoft ≫ Windows 10 2004 Version < 10.0.19041.1110
Microsoft ≫ Windows 10 20h2 Version < 10.0.19042.1110
Microsoft ≫ Windows 10 21h1 Version < 10.0.19043.1110
Microsoft ≫ Windows 7 Version- Updatesp1
Microsoft ≫ Windows 8.1 Version-
Microsoft ≫ Windows Rt 8.1 Version-
Microsoft ≫ Windows Server 2004 Version < 10.0.19041.1110
Microsoft ≫ Windows Server 2008 Version- Updatesp2
Microsoft ≫ Windows Server 2008 Versionr2 Updatesp1 HwPlatformx64
Microsoft ≫ Windows Server 2016 Version < 10.0.14393.4530
Microsoft ≫ Windows Server 2019 Version < 10.0.17763.2061
Microsoft ≫ Windows Server 20h2 Version < 10.0.19042.1110

03.11.2021: CISA Known Exploited Vulnerabilities (KEV) Catalog

Microsoft Windows Kernel Privilege Escalation Vulnerability

Vulnerability

Microsoft Windows kernel 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 1.02% 0.766
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.2 3.9 10
AV:L/AC:L/Au:N/C:C/I:C/A:C
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
134c704f-9b21-4f2e-91b3-4a467353bcc0 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
secure@microsoft.com 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
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.