Cyber Posture

CVE-2025-24077

High

Published: 11 March 2025

Published
11 March 2025
Modified
02 July 2025
KEV Added
Patch
CVSS Score 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0018 39.8th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Description

Adversaries may exploit software vulnerabilities in client applications to execute code.

Security Summary

CVE-2025-24077 is a use-after-free vulnerability (CWE-416) affecting Microsoft Office Word. Published on 2025-03-11, it carries a CVSS v3.1 base score of 7.8 (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). The flaw enables an unauthorized attacker to execute code locally on a victim's machine.

Exploitation requires local access to the target system and user interaction, such as opening a malicious document, with low attack complexity and no special privileges needed from the attacker. Successful exploitation grants high-impact arbitrary code execution, compromising confidentiality, integrity, and availability.

The Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-24077 details mitigation steps and available patches.

Details

CWE(s)
CWE-416

Affected Products

microsoft
365 apps
all versions
microsoft
office long term servicing channel
2021, 2024

MITRE ATT&CK Enterprise Techniques

T1203 Exploitation for Client Execution Execution
Adversaries may exploit software vulnerabilities in client applications to execute code.
Why these techniques?

Use-after-free in Microsoft Word enables arbitrary code execution via crafted malicious document opened by user, directly mapping to Exploitation for Client Execution.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

References