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.
                
            Metrics
Affected Vendors & Products
References
        History
                    Tue, 26 Aug 2025 16:15:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| First Time appeared | Microsoft windows 11 21h2 | |
| CPEs | cpe:2.3:o:microsoft:windows_11_21h2:10.0.22000.593:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.643:*:*:*:*:*:*:* | |
| Vendors & Products | Microsoft windows 11 21h2 | 
Mon, 14 Jul 2025 13:45:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| Metrics | epss 
 | epss 
 | 
Fri, 20 Dec 2024 18:15:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| Metrics | ssvc 
 | 
Wed, 18 Dec 2024 22:45:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| 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 | |
| References |  | |
| Metrics | cvssV3_1 
 | 
 MITRE
                        MITRE
                    Status: PUBLISHED
Assigner: talos
Published: 2024-12-18T22:34:10.246Z
Updated: 2024-12-20T17:22:05.281Z
Reserved: 2022-09-14T21:22:59.116Z
Link: CVE-2022-40732
 Vulnrichment
                        Vulnrichment
                    Updated: 2024-12-20T17:21:50.735Z
 NVD
                        NVD
                    Status : Analyzed
Published: 2024-12-18T23:15:07.060
Modified: 2025-08-26T16:11:12.313
Link: CVE-2022-40732
 Redhat
                        Redhat
                    No data.