Heap-based buffer overflow in Microsoft 365 Apps for Enterprise - CVE-2025-32717

 

Heap-based buffer overflow in Microsoft 365 Apps for Enterprise - CVE-2025-32717

Published: June 11, 2025


Vulnerability identifier: #VU111056
CSH Severity: High
CVSS v4: 8.4 [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]
CVE-ID: CVE-2025-32717
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Microsoft Word. A remote attacker can trick a victim to open a specially crafted RTF file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Microsoft 365 Apps for Enterprise

How to mitigate CVE-2025-32717

Install updates from vendor's website.


External References

Related Security Bulletins