CVE-2021-33771

high

Description

Windows Kernel Elevation of Privilege Vulnerability

From the Tenable Blog

Microsoft’s July 2021 Patch Tuesday Includes 116 CVEs (CVE-2021-31979, CVE-2021-33771)

Published: 2021-07-13

Microsoft highlights 116 CVEs including two which were addressed by April patches. Microsoft patched 116 CVEs in the July 2021 Patch Tuesday release, including 12 CVEs rated as critical, 103 rated as important and one rated as moderate. It’s only the second time in 2021 that Microsoft has included more than 100 vulnerabilities in Patch Tuesday, while it passed that milestone eight times in 2020.

References

https://www.tenable.com/blog/microsoft-s-july-2021-patch-tuesday-includes-116-cves-cve-2021-31979-cve-2021-33771

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33771

Details

Source: Mitre, NVD

Published: 2021-07-14

Updated: 2024-07-26

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H