PT-2021-4390 · Microsoft · Directx Graphics Kernel+1

Ziming Zhang · Published 2021-10-12 · Updated 2023-08-01 · CVE-2021-40470

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions DirectX Graphics Kernel versions (affected versions not specified)

Description The issue is related to errors in privilege management in the DirectX Graphics Kernel driver of Windows operating systems. It allows an attacker to elevate their privileges.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Improper Privilege Management

Weakness Enumeration

CWE-264

CWE-269

Related Identifiers

BDU:2021-05020

CVE-2021-40470

Affected Products

Directx Graphics Kernel

Windows

References · 7

• https://osv.dev/vulnerability/CVE-2021-40470 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40470 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-40470 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-40470 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-05020 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40470 · Vendor Advisory
• http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-40470 · Note