CVE-2022-40732

At a glance

Severity: MEDIUM 5.0
EPSS: EPSS 0.77 % · percentile 55 (2026-10-27)
State: PUBLISHED
Published: 2024-12-18
Updated: 2024-12-20
Assigner: talos
NVD status: Analyzed

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 5.0	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H	talos
CVSS 3.1	MEDIUM 5.0	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H	NVD · talos-cna@cisco.com (Secondary)
CVSS 3.1	HIGH 7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-476

European references

ENISA EUVD · EUVD-2022-44001
GCVE · GCVE-0-2022-40732

Affected configurations (NVD CPE)

cpe:2.3:o:microsoft:windows_11_21h2:10.0.22000.593:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.643:*:*:*:*:*:*:*

Affected products

Product	Versions
Microsoft · Windows	affected Build 22000.593

References

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

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD