CVE-2025-62553: CWE-416: Use After Free in Microsoft Microsoft 365 Apps for Enterprise
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
AI Analysis
Technical Summary
This vulnerability (CWE-416) involves a use-after-free condition in Microsoft Office Excel that could be exploited by an unauthorized attacker to execute arbitrary code locally. The affected product is Microsoft 365 Apps for Enterprise version 16.0.1. The CVSS 3.1 vector indicates low attack complexity, no privileges required, but user interaction is necessary. The impact is high across confidentiality, integrity, and availability. The vulnerability was published on December 9, 2025, and a patch is available from Microsoft.
Potential Impact
Successful exploitation allows an attacker to execute arbitrary code locally on the affected system, potentially leading to full compromise of the user's data and system integrity. The vulnerability impacts confidentiality, integrity, and availability at a high level. No known exploits are reported in the wild at this time.
Mitigation Recommendations
A patch is available for this vulnerability. Users and administrators should apply the official Microsoft update for Microsoft 365 Apps for Enterprise version 16.0.1 promptly to remediate this issue. No additional mitigation steps are indicated beyond applying the patch.
CVE-2025-62553: CWE-416: Use After Free in Microsoft Microsoft 365 Apps for Enterprise
Description
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-416) involves a use-after-free condition in Microsoft Office Excel that could be exploited by an unauthorized attacker to execute arbitrary code locally. The affected product is Microsoft 365 Apps for Enterprise version 16.0.1. The CVSS 3.1 vector indicates low attack complexity, no privileges required, but user interaction is necessary. The impact is high across confidentiality, integrity, and availability. The vulnerability was published on December 9, 2025, and a patch is available from Microsoft.
Potential Impact
Successful exploitation allows an attacker to execute arbitrary code locally on the affected system, potentially leading to full compromise of the user's data and system integrity. The vulnerability impacts confidentiality, integrity, and availability at a high level. No known exploits are reported in the wild at this time.
Mitigation Recommendations
A patch is available for this vulnerability. Users and administrators should apply the official Microsoft update for Microsoft 365 Apps for Enterprise version 16.0.1 promptly to remediate this issue. No additional mitigation steps are indicated beyond applying the patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2025-10-15T17:11:21.219Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 693867e574ebaa3babafb3a6
Added to database: 12/9/2025, 6:18:13 PM
Last enriched: 4/17/2026, 11:15:23 AM
Last updated: 5/8/2026, 1:06:54 AM
Views: 93
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