CVE-2026-32190: CWE-416: Use After Free in Microsoft Microsoft 365 Apps for Enterprise
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-32190) is a use-after-free flaw in Microsoft 365 Apps for Enterprise version 16.0.1. It allows an unauthorized attacker to execute code locally due to improper memory management. The CVSS v3.1 score is 8.4, indicating high impact on confidentiality, integrity, and availability. Microsoft has issued an official fix, and the service is cloud-hosted, meaning remediation is managed by Microsoft. No known active exploitation has been reported.
Potential Impact
Successful exploitation of this use-after-free vulnerability can lead to local code execution by an unauthorized attacker, potentially compromising the confidentiality, integrity, and availability of the affected system. Given the high CVSS score (8.4), the impact is significant. However, no known exploits are currently active in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. Since Microsoft 365 Apps for Enterprise is a cloud service, Microsoft manages the remediation server-side. Users should verify that their applications are updated as per the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32190 to ensure protection against this vulnerability.
CVE-2026-32190: CWE-416: Use After Free in Microsoft Microsoft 365 Apps for Enterprise
Description
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-32190) is a use-after-free flaw in Microsoft 365 Apps for Enterprise version 16.0.1. It allows an unauthorized attacker to execute code locally due to improper memory management. The CVSS v3.1 score is 8.4, indicating high impact on confidentiality, integrity, and availability. Microsoft has issued an official fix, and the service is cloud-hosted, meaning remediation is managed by Microsoft. No known active exploitation has been reported.
Potential Impact
Successful exploitation of this use-after-free vulnerability can lead to local code execution by an unauthorized attacker, potentially compromising the confidentiality, integrity, and availability of the affected system. Given the high CVSS score (8.4), the impact is significant. However, no known exploits are currently active in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. Since Microsoft 365 Apps for Enterprise is a cloud service, Microsoft manages the remediation server-side. Users should verify that their applications are updated as per the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32190 to ensure protection against this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-11T00:26:53.427Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Is Cloud Service
- true
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32190","vendor":"Microsoft"}]
Threat ID: 69de7a3482d89c981fd6bcd0
Added to database: 4/14/2026, 5:32:36 PM
Last enriched: 4/14/2026, 6:03:53 PM
Last updated: 4/15/2026, 6:08:45 AM
Views: 3
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