Uncaught Exception in Microsoft Office LTSC and Microsoft 365 Apps for Enterprise - CVE-2025-59229
Published: October 15, 2025
Vulnerability identifier: #VU117294
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-59229
CWE-ID: CWE-248
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Office LTSC
Microsoft 365 Apps for Enterprise
Microsoft Office LTSC
Microsoft 365 Apps for Enterprise
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to uncaught exception in Microsoft Office. A remote attacker can trick a victim to open a specially crafted file and cause a denial of service condition on the target system.
How to mitigate CVE-2025-59229
Install updates from vendor's website.