CVE-2026-26112: CWE-822: Untrusted Pointer Dereference in Microsoft Microsoft 365 Apps for Enterprise
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-822 (Untrusted Pointer Dereference), exists in Microsoft Office Excel within Microsoft 365 Apps for Enterprise version 16.0.1. It allows an attacker to execute code locally by exploiting improper handling of pointers. The CVSS 3.1 base score is 7.8, indicating high severity, with attack vector local, low attack complexity, no privileges required, and user interaction required. Confidentiality, integrity, and availability impacts are all high. A patch is available to remediate this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could allow an unauthorized attacker to execute arbitrary code locally on the affected system, potentially leading to full compromise of confidentiality, integrity, and availability of the affected application and system. No known exploits are currently reported in the wild.
Mitigation Recommendations
A patch is available for this vulnerability and should be applied promptly to affected versions of Microsoft 365 Apps for Enterprise (version 16.0.1). Since this is not a cloud service, remediation requires updating the installed software. There are no vendor advisories indicating that no action is required or that the issue is already mitigated.
CVE-2026-26112: CWE-822: Untrusted Pointer Dereference in Microsoft Microsoft 365 Apps for Enterprise
Description
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-822 (Untrusted Pointer Dereference), exists in Microsoft Office Excel within Microsoft 365 Apps for Enterprise version 16.0.1. It allows an attacker to execute code locally by exploiting improper handling of pointers. The CVSS 3.1 base score is 7.8, indicating high severity, with attack vector local, low attack complexity, no privileges required, and user interaction required. Confidentiality, integrity, and availability impacts are all high. A patch is available to remediate this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could allow an unauthorized attacker to execute arbitrary code locally on the affected system, potentially leading to full compromise of confidentiality, integrity, and availability of the affected application and system. No known exploits are currently reported in the wild.
Mitigation Recommendations
A patch is available for this vulnerability and should be applied promptly to affected versions of Microsoft 365 Apps for Enterprise (version 16.0.1). Since this is not a cloud service, remediation requires updating the installed software. There are no vendor advisories indicating that no action is required or that the issue is already mitigated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-02-11T15:52:13.910Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69b05631ea502d3aa87d6b1d
Added to database: 3/10/2026, 5:34:41 PM
Last enriched: 4/18/2026, 2:15:21 PM
Last updated: 4/28/2026, 7:23:47 AM
Views: 72
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