CVE-2026-68808: CWE-125: Out-of-bounds Read in Microsoft Microsoft 365 Apps for Enterprise
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds read (CWE-125) in Microsoft Office Excel as part of Microsoft 365 Apps for Enterprise. It enables an unauthorized attacker to disclose information locally by reading memory outside the intended bounds. The vulnerability affects version 16.0.1 of Microsoft 365 Apps for Enterprise. Microsoft has published an official fix and manages remediation for this cloud service. There are no known exploits in the wild at this time.
Potential Impact
An attacker without privileges can cause an out-of-bounds read that leads to local information disclosure. The confidentiality impact is high, but integrity and availability are not affected. The attack vector requires local access and user interaction.
Mitigation Recommendations
An official fix is available from Microsoft. Since this is a cloud-hosted service, Microsoft manages remediation server-side. Users and administrators should apply the official update as directed in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68808 to mitigate this vulnerability.
CVE-2026-68808: CWE-125: Out-of-bounds Read in Microsoft Microsoft 365 Apps for Enterprise
Description
Out-of-bounds read in Microsoft Office Excel 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 involves an out-of-bounds read (CWE-125) in Microsoft Office Excel as part of Microsoft 365 Apps for Enterprise. It enables an unauthorized attacker to disclose information locally by reading memory outside the intended bounds. The vulnerability affects version 16.0.1 of Microsoft 365 Apps for Enterprise. Microsoft has published an official fix and manages remediation for this cloud service. There are no known exploits in the wild at this time.
Potential Impact
An attacker without privileges can cause an out-of-bounds read that leads to local information disclosure. The confidentiality impact is high, but integrity and availability are not affected. The attack vector requires local access and user interaction.
Mitigation Recommendations
An official fix is available from Microsoft. Since this is a cloud-hosted service, Microsoft manages remediation server-side. Users and administrators should apply the official update as directed in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68808 to mitigate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-31T16:41:44.243Z
- 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-2026-68808","vendor":"Microsoft"}]
Threat ID: 6a7b5838bf8831d5391565a9
Added to database: 08/11/2026, 17:13:28 UTC
Last enriched: 08/11/2026, 17:58:28 UTC
Last updated: 08/12/2026, 00:12:10 UTC
Views: 5
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