Microsoft Office Word Use-After-Free Vulnerability Leading to Local Code Execution

Vulnerability

A use-after-free vulnerability has been identified in Microsoft Office Word. This issue allows an unauthorized attacker to execute code locally. The vulnerability arises from improper memory management, which can be exploited under certain conditions.

Impact

Exploitation of this vulnerability allows for remote code execution on the affected system.

Remediation

Users can apply the security update available through the Microsoft Update Catalog. For Microsoft 365 Apps for Enterprise, security updates are also available via the Click-to-Run service.

Added: Sep 1, 2025, 7:22 PM
Updated: Sep 1, 2025, 7:22 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
10.0
exploitability
4.4
remediation
7.7
relevance
0.3
threat
0.0
urgency
2.9
incentive
0.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.