CVE-2026-56192: CWE-125: Out-of-bounds Read in Microsoft Microsoft 365 Apps for Enterprise
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-56192) involves an out-of-bounds read (CWE-125) in Microsoft 365 Apps for Enterprise, which can be exploited by an unauthorized local attacker to disclose sensitive information. The CVSS 3.1 vector indicates the attack requires local access with low complexity, no privileges, and user interaction. The impact is limited to confidentiality with no effect on integrity or availability. Microsoft has published an official fix and manages remediation for this cloud-hosted service. The affected version is 16.0.1.
Potential Impact
An unauthorized attacker with local access and user interaction can exploit this vulnerability to read memory outside intended bounds, potentially disclosing sensitive information. There is no impact on system integrity or availability. No known active exploits have been reported.
Mitigation Recommendations
An official fix is available from Microsoft. Since this is a cloud service, Microsoft manages remediation server-side. Users and administrators should apply the official update as detailed in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56192 to mitigate this vulnerability.
CVE-2026-56192: CWE-125: Out-of-bounds Read in Microsoft Microsoft 365 Apps for Enterprise
Description
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVSS v3.1
Score 5.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-56192) involves an out-of-bounds read (CWE-125) in Microsoft 365 Apps for Enterprise, which can be exploited by an unauthorized local attacker to disclose sensitive information. The CVSS 3.1 vector indicates the attack requires local access with low complexity, no privileges, and user interaction. The impact is limited to confidentiality with no effect on integrity or availability. Microsoft has published an official fix and manages remediation for this cloud-hosted service. The affected version is 16.0.1.
Potential Impact
An unauthorized attacker with local access and user interaction can exploit this vulnerability to read memory outside intended bounds, potentially disclosing sensitive information. There is no impact on system integrity or availability. No known active exploits have been reported.
Mitigation Recommendations
An official fix is available from Microsoft. Since this is a cloud service, Microsoft manages remediation server-side. Users and administrators should apply the official update as detailed in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56192 to mitigate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-19T13:54:04.006Z
- 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-2026-56192","vendor":"Microsoft"}]
Threat ID: 6a5676ba68715ace43f0aeab
Added to database: 07/14/2026, 17:49:46 UTC
Last enriched: 07/14/2026, 18:49:39 UTC
Last updated: 07/15/2026, 00:27:21 UTC
Views: 2
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