#VU114047 Use of uninitialized resource in Microsoft products - CVE-2025-53759
Published: August 13, 2025
Vulnerability identifier: #VU114047
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-53759
CWE-ID: CWE-908
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Microsoft Office LTSC
Microsoft 365 Apps for Enterprise
Microsoft Office
Office Online Server
Microsoft Office LTSC
Microsoft 365 Apps for Enterprise
Microsoft Office
Office Online Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to usage of uninitialized resources in Microsoft Excel. A remote attacker can trick a victim to open a specially crafted file, trigger uninitialized usage of resources and execute arbitrary code on the target system.
Remediation
Install updates from vendor's website.