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) involves a use-after-free condition in Microsoft 365 Apps for Enterprise, which could allow an unauthorized attacker to execute code locally on the affected system. The CVSS 3.1 base score is 8.4, indicating high impact on confidentiality, integrity, and availability. The vulnerability requires local attack vector with low complexity and no privileges or user interaction needed. Microsoft has released an official fix and manages remediation for this cloud service. No public exploits have been observed.
Potential Impact
Successful exploitation could lead to local code execution by an unauthorized attacker, potentially compromising confidentiality, integrity, and availability of the affected system. The high CVSS score reflects the critical impact on system security.
Mitigation Recommendations
An official fix is available from Microsoft. Since this is a cloud-hosted service, Microsoft manages the remediation server-side. Users and administrators should consult the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32190 for detailed patching and update instructions.
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.
CVSS v3.1
Score 8.4high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-32190) involves a use-after-free condition in Microsoft 365 Apps for Enterprise, which could allow an unauthorized attacker to execute code locally on the affected system. The CVSS 3.1 base score is 8.4, indicating high impact on confidentiality, integrity, and availability. The vulnerability requires local attack vector with low complexity and no privileges or user interaction needed. Microsoft has released an official fix and manages remediation for this cloud service. No public exploits have been observed.
Potential Impact
Successful exploitation could lead to local code execution by an unauthorized attacker, potentially compromising confidentiality, integrity, and availability of the affected system. The high CVSS score reflects the critical impact on system security.
Mitigation Recommendations
An official fix is available from Microsoft. Since this is a cloud-hosted service, Microsoft manages the remediation server-side. Users and administrators should consult the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32190 for detailed patching and update instructions.
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: 04/14/2026, 17:32:36 UTC
Last enriched: 06/19/2026, 17:09:34 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 224
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.