CVE-2025-62559: CWE-416: Use After Free in Microsoft Microsoft 365 Apps for Enterprise
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2025-62559) involves a use-after-free condition in Microsoft Office Word, part of Microsoft 365 Apps for Enterprise version 16.0.1. An attacker can leverage this flaw to execute arbitrary code on the affected system with local access. The CVSS 3.1 vector indicates low attack complexity, no privileges required, but user interaction is needed. Confidentiality, integrity, and availability impacts are all rated high. The vendor has released a patch to remediate this vulnerability.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary code locally on the affected system, potentially leading to full compromise of confidentiality, integrity, and availability of the system. However, exploitation requires local access and user interaction. No known exploits are currently reported in the wild.
Mitigation Recommendations
A patch is available for Microsoft 365 Apps for Enterprise version 16.0.1 that addresses this use-after-free vulnerability. It is recommended to apply the official update from Microsoft promptly to mitigate the risk. Since this is not a cloud service, remediation depends on applying the patch to affected installations.
CVE-2025-62559: CWE-416: Use After Free in Microsoft Microsoft 365 Apps for Enterprise
Description
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2025-62559) involves a use-after-free condition in Microsoft Office Word, part of Microsoft 365 Apps for Enterprise version 16.0.1. An attacker can leverage this flaw to execute arbitrary code on the affected system with local access. The CVSS 3.1 vector indicates low attack complexity, no privileges required, but user interaction is needed. Confidentiality, integrity, and availability impacts are all rated high. The vendor has released a patch to remediate this vulnerability.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary code locally on the affected system, potentially leading to full compromise of confidentiality, integrity, and availability of the system. However, exploitation requires local access and user interaction. No known exploits are currently reported in the wild.
Mitigation Recommendations
A patch is available for Microsoft 365 Apps for Enterprise version 16.0.1 that addresses this use-after-free vulnerability. It is recommended to apply the official update from Microsoft promptly to mitigate the risk. Since this is not a cloud service, remediation depends on applying the patch to affected installations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2025-10-15T17:11:21.220Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 693867e774ebaa3babafb435
Added to database: 12/9/2025, 6:18:15 PM
Last enriched: 4/17/2026, 11:16:00 AM
Last updated: 5/10/2026, 12:04:37 AM
Views: 118
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