Use-after-free in Microsoft Windows - CVE-2026-58633
Published: July 15, 2026
Vulnerability identifier: #VU137797
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-58633
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in Desktop Window Manager. A local user can gain elevated privileges on the system.
Affected software
Microsoft Windows
How to mitigate CVE-2026-58633
Install updates from vendor's website.
Microsoft Windows - update to 11 26H1 10.0.28000.2525