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CVE-2022-40732

Dec. 18, 2024, 11:15 p.m.

CVSS Score

5.0 / 10

Product(s) Impacted

Windows 11

  • 22000.593

Windows Server 2022

  • 20348.643

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.

Weaknesses

CWE-476
NULL Pointer Dereference

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

CWE ID: 476

Date

Published: Dec. 18, 2024, 11:15 p.m.

Last Modified: Dec. 18, 2024, 11:15 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

talos-cna@cisco.com

CVSS Data

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Base Score
5.0
Exploitability Score
1.3
Impact Score
3.6
Base Severity
MEDIUM
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

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

References