Use of uninitialized resource in Microsoft products - CVE-2025-21357
Published: January 14, 2025
Vulnerability identifier: #VU102706
CSH Severity: Medium
CVSS v4: 5.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-21357
CWE-ID: CWE-908
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to usage of uninitialized resources Microsoft Outlook. A remote user can trick a victim to open a specially crafted file, trigger uninitialized usage of resources and execute arbitrary code on the target system.
Affected software
Microsoft 365 Apps for Enterprise
Microsoft Outlook
Microsoft Office
Microsoft Office LTSC
Microsoft Outlook
Microsoft Office
Microsoft Office LTSC
How to mitigate CVE-2025-21357
Install updates from vendor's website.