CVE-2022-40732

MEDIUM

Windows 11 22000.593 and Windows Server 2022 20348.643 - Denial of Service via DirectComposition Syscall

Title source: llm

Description

An access violation vulnerability exists in the DirectComposition functionality win32kbase.sys driver version 10.0.22000.593 as part of Windows 11 version 22000.593 and version 10.0.20348.643 as part of Windows Server 2022 version 20348.643. A specially-crafted set of syscalls can lead to a reboot. An unprivileged user can run specially-crafted code to trigger Denial Of Service.

References (1)

Core 1

Core References

Exploit, Third Party Advisory

https://talosintelligence.com/vulnerability_reports/TALOS-2022-1514

Scores

CVSS v3 5.0

EPSS 0.0074

EPSS Percentile 50.0%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-476

Status published

Products (2)

microsoft/windows_11_21h2 10.0.22000.593

microsoft/windows_server_2022 10.0.20348.643

Published Dec 18, 2024

Tracked Since Feb 18, 2026