Use-after-free in Microsoft products - CVE-2025-49711
Published: July 9, 2025
Vulnerability identifier: #VU112697
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/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-2025-49711
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Excel
Microsoft 365 Apps for Enterprise
Microsoft Office
Microsoft Office LTSC
Office Online Server
Microsoft Excel
Microsoft 365 Apps for Enterprise
Microsoft Office
Microsoft Office LTSC
Office Online Server
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in Microsoft Excel. A remote attacker can trick a victim to open a specially crafted file and execute arbitrary code on the target system.
How to mitigate CVE-2025-49711
Install updates from vendor's website.