7.5

CVE-2022-40732: microsoft windows NULL Pointer Dereference

CVSS: 7.5v3.1HighAnalyzed
Published 18-12-2024Last modified 20-12-2024
Open JSON

Vulnerability summary

CVE-2022-40732 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in microsoft windows. EPSS estimates a 0.77% chance of exploitation in the next 30 days, higher than 54.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.77%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 18-12-2024
    PublishedVulnerability first disclosed.
  2. 20-12-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.77%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

+0.01 pp

From 0.76% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.77%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (talosintelligence.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Microsoft3 products

1 vendor · 3 products

References

1 links