Read the docs
TI-2022-19361 Aliases CVE-2022-40733GHSA-f7h5-w5gh-vm7h

NULL pointer dereference in Microsoft Windows

Priority LOW 30CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00828 57th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftWindowsBuild 22000.593—No fix listedCNA
  • Windows VendorMicrosoft Affected Build 22000.593 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:microsoft:windows_11_21h2:10.0.22000.593:*:*:*:*:*:*:*10.0.22000.593VulnerableMicrosoft
cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.643:*:*:*:*:*:*:*10.0.20348.643VulnerableMicrosoft
  • cpe:2.3:o:microsoft:windows_11_21h2:10.0.22000.593:*:*:*:*:*:*:* Versions 10.0.22000.593 Vulnerable ·Microsoft
  • cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.643:*:*:*:*:*:*:* Versions 10.0.20348.643 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-40733
  2. 2026-10-03 Alias added: GHSA-f7h5-w5gh-vm7h

References

Exploit 1

  • TI-2024-29106 Windows MSHTML Platform Spoofing Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2024-19802 Windows MSHTML Platform Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2024-19751 SmartScreen Prompt Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2023-18080 Windows SmartScreen Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2023-15353 Windows SmartScreen Security Feature Bypass Vulnerability KEVCVSS 3.1HIGH 8.8
  • TI-2023-08061 Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability KEVCVSS 3.1HIGH 8.8
See all 1000 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences