CVE-2026-45485: 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 (CWE-125) involves an out-of-bounds read in Microsoft 365 Apps for Enterprise, which can lead to local information disclosure by an unauthorized attacker. The CVSS 3.1 base score is 3.3, reflecting low impact with no integrity or availability effects. Exploitation requires local access and user interaction. Microsoft has published an official fix and manages remediation for this cloud service, as detailed in their security update guide.
Potential Impact
An unauthorized local attacker can exploit this vulnerability to read memory outside the intended bounds, potentially disclosing sensitive information. There is no impact on integrity or availability. The attack requires user interaction and local access, limiting the scope and severity of the impact.
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 refer to the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45485 for detailed patching and mitigation instructions.
CVE-2026-45485: 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 3.3low
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-125) involves an out-of-bounds read in Microsoft 365 Apps for Enterprise, which can lead to local information disclosure by an unauthorized attacker. The CVSS 3.1 base score is 3.3, reflecting low impact with no integrity or availability effects. Exploitation requires local access and user interaction. Microsoft has published an official fix and manages remediation for this cloud service, as detailed in their security update guide.
Potential Impact
An unauthorized local attacker can exploit this vulnerability to read memory outside the intended bounds, potentially disclosing sensitive information. There is no impact on integrity or availability. The attack requires user interaction and local access, limiting the scope and severity of the impact.
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 refer to the Microsoft security update guide at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45485 for detailed patching and mitigation instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T16:07:22.617Z
- 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-2026-45485","vendor":"Microsoft"}]
Threat ID: 6a284cdc8dd33fbd85664d55
Added to database: 6/9/2026, 5:26:52 PM
Last enriched: 6/9/2026, 10:12:28 PM
Last updated: 6/10/2026, 5:03:16 AM
Views: 5
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