Use of uninitialized resource in Microsoft Office for Android - CVE-2026-105731

 

Use of uninitialized resource in Microsoft Office for Android - CVE-2026-105731

Published: October 13, 2026


Vulnerability identifier: #VU154380
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-2026-105731
CWE-ID: CWE-908
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to bypass certain security restrictions.

The vulnerability exists due to usage of uninitialized resources in Microsoft Office Graphics Component . A local user can pass specially crafted data to the application, trigger uninitialized usage of resources and gain access to sensitive information on the system.


Affected software

Microsoft Office for Android

How to mitigate CVE-2026-105731

Install updates from vendor's website.

Microsoft Office for Android - update to 16.0.20430.20000

External References

Related Security Bulletins