PT-2021-5995 · Microsoft · Windows

Namnp · Published 2021-09-22 · Updated 2024-11-14 · CVE-2022-21876

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows (affected versions not specified)

Description The issue is related to a buffer overflow in the DirectComposition component of the Win32k (Win32k.sys) in Windows operating systems. This allows an attacker to obtain sensitive information. There is no information provided about the estimated number of potentially affected devices or real-world incidents where this issue was exploited.

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

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

BDU:2022-00525

CVE-2022-21876

ZDI-22-051

Affected Products

Windows

References · 8

• https://osv.dev/vulnerability/CVE-2022-21876 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-22-051 · Security Note
• https://bdu.fstec.ru/vul/2022-00525 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-21876 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21876 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21876 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2022-21876 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21876 · Note