Use of uninitialized resource in Microsoft Windows and Windows Server - CVE-2026-72945

 

Use of uninitialized resource in Microsoft Windows and Windows Server - CVE-2026-72945

Published: September 9, 2026


Vulnerability identifier: #VU148095
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-72945
CWE-ID: CWE-908
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to disclose sensitive information.

The vulnerability exists due to use of an uninitialized resource in Windows Task Scheduler when handling local operations. A local user can exploit the vulnerability to disclose sensitive information.

The disclosed data may include uninitialized heap memory from a privileged process.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2026-72945

Install security update from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.7725, 10 22H2 10.0.19045.7725, 10 1607 10.0.14393.9512, 10 1809 10.0.17763.9245, 11 23H2 10.0.22631.7582
Windows Server - addressed in versions 2016 10.0.14393.9512, 2019 10.0.17763.9245, 2022 10.0.20348.5622

External References

Related Security Bulletins