CVE-2026-33822: CWE-125: Out-of-bounds Read in Microsoft Microsoft 365 Apps for Enterprise
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-33822) involves an out-of-bounds read in Microsoft Office Word as part of Microsoft 365 Apps for Enterprise. It enables an unauthorized attacker to read memory outside the intended bounds, potentially disclosing sensitive information locally. The vulnerability has a CVSS 3.1 base score of 6.1, indicating medium severity. Microsoft has released an official fix for this issue. Since Microsoft 365 Apps for Enterprise is a cloud service, remediation is managed by Microsoft. No known exploits are reported in the wild at this time.
Potential Impact
An attacker can cause an out-of-bounds read that may lead to local information disclosure. There is no indication of integrity or availability impact beyond the out-of-bounds read. The vulnerability requires local access and user interaction to exploit.
Mitigation Recommendations
An official fix is available from Microsoft. Because Microsoft 365 Apps for Enterprise is a cloud service, Microsoft manages the remediation process. Users and administrators should ensure their Microsoft 365 Apps are updated according to Microsoft's guidance in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33822.
CVE-2026-33822: CWE-125: Out-of-bounds Read in Microsoft Microsoft 365 Apps for Enterprise
Description
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
CVSS v3.1
Score 6.1medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-33822) involves an out-of-bounds read in Microsoft Office Word as part of Microsoft 365 Apps for Enterprise. It enables an unauthorized attacker to read memory outside the intended bounds, potentially disclosing sensitive information locally. The vulnerability has a CVSS 3.1 base score of 6.1, indicating medium severity. Microsoft has released an official fix for this issue. Since Microsoft 365 Apps for Enterprise is a cloud service, remediation is managed by Microsoft. No known exploits are reported in the wild at this time.
Potential Impact
An attacker can cause an out-of-bounds read that may lead to local information disclosure. There is no indication of integrity or availability impact beyond the out-of-bounds read. The vulnerability requires local access and user interaction to exploit.
Mitigation Recommendations
An official fix is available from Microsoft. Because Microsoft 365 Apps for Enterprise is a cloud service, Microsoft manages the remediation process. Users and administrators should ensure their Microsoft 365 Apps are updated according to Microsoft's guidance in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33822.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-24T00:52:01.351Z
- 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-2026-33822","vendor":"Microsoft"}]
Threat ID: 69de7a3a82d89c981fd6cf35
Added to database: 04/14/2026, 17:32:42 UTC
Last enriched: 06/19/2026, 17:14:44 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 112
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