PT-2023-3513 · Microsoft · Windows

Published 2023-07-11 · Updated 2024-05-29 · CVE-2023-21756

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 Windows (affected versions not specified)

Description The issue is related to insufficient access control in the Win32k component of Windows operating systems, which can be exploited to elevate privileges. This allows an attacker to affect the system. 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.

LPE

Use After Free

Weakness Enumeration

CWE-416

CWE-264

Related Identifiers

BDU:2023-03717

CVE-2023-21756

Affected Products

Windows

References · 8

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21756 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-21756 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21756 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-21756 · Security Note
• https://osv.dev/vulnerability/CVE-2023-21756 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-03717 · Security Note
• https://t.me/cvenotify/54307 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2023071157 · Note