CVE-2025-62558: 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-2025-62558) is a use-after-free condition in Microsoft Office Word component of Microsoft 365 Apps for Enterprise (version 16.0.1). It enables an attacker to execute arbitrary code locally by exploiting improper memory handling. The CVSS 3.1 vector indicates low attack complexity, no privileges required, but user interaction is necessary. The vulnerability impacts confidentiality, integrity, and availability with high severity. A patch has been released to remediate this issue.
Potential Impact
Successful exploitation allows an attacker to execute arbitrary code locally on the affected system, potentially leading to full compromise of the user environment. The vulnerability affects confidentiality, integrity, and availability of the system. No known exploits are reported in the wild at this time.
Mitigation Recommendations
A patch is available for this vulnerability and should be applied promptly to affected Microsoft 365 Apps for Enterprise installations (version 16.0.1). Since this is not a cloud service, remediation requires updating the client software. No additional mitigations are specified.
CVE-2025-62558: 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-2025-62558) is a use-after-free condition in Microsoft Office Word component of Microsoft 365 Apps for Enterprise (version 16.0.1). It enables an attacker to execute arbitrary code locally by exploiting improper memory handling. The CVSS 3.1 vector indicates low attack complexity, no privileges required, but user interaction is necessary. The vulnerability impacts confidentiality, integrity, and availability with high severity. A patch has been released to remediate this issue.
Potential Impact
Successful exploitation allows an attacker to execute arbitrary code locally on the affected system, potentially leading to full compromise of the user environment. The vulnerability affects confidentiality, integrity, and availability of the system. No known exploits are reported in the wild at this time.
Mitigation Recommendations
A patch is available for this vulnerability and should be applied promptly to affected Microsoft 365 Apps for Enterprise installations (version 16.0.1). Since this is not a cloud service, remediation requires updating the client software. No additional mitigations are specified.
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: 693867e774ebaa3babafb432
Added to database: 12/9/2025, 6:18:15 PM
Last enriched: 4/17/2026, 11:15:53 AM
Last updated: 5/10/2026, 12:32:19 AM
Views: 92
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