CVE-2022-40733 is an access violation vulnerability in the DirectComposition functionality of the win32kbase.sys driver, affecting Windows 11 version 21H2 and Windows Server 2022. An unprivileged user can trigger a Denial of Service (DoS) by executing specially crafted syscalls, leading to a system reboot. With a CVSS score of 6.5 (Medium), this vulnerability has a network attack vector and low attack complexity, but its impact is limited to availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
10.0.22000.593CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_11_21h2:10.0.22000.593:*:*:*:*:*:*:* | ||
10.0.20348.643CPE matchmatch criteria | cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.643:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.