CVE-2026-20948: CWE-822: Untrusted Pointer Dereference in Microsoft Microsoft 365 Apps for Enterprise
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-20948) is classified as CWE-822: Untrusted Pointer Dereference. It affects Microsoft Office Word within Microsoft 365 Apps for Enterprise version 16.0.1. The flaw allows an attacker without privileges to execute code locally by exploiting improper handling of pointers. The CVSS v3.1 base score is 7.8, indicating high severity with local attack vector, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability. 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 system. However, exploitation requires local access and user interaction.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official Microsoft update for Microsoft 365 Apps for Enterprise version 16.0.1 to remediate the issue. There are no known exploits in the wild, but timely patching is advised to prevent potential exploitation.
CVE-2026-20948: CWE-822: Untrusted Pointer Dereference in Microsoft Microsoft 365 Apps for Enterprise
Description
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-20948) is classified as CWE-822: Untrusted Pointer Dereference. It affects Microsoft Office Word within Microsoft 365 Apps for Enterprise version 16.0.1. The flaw allows an attacker without privileges to execute code locally by exploiting improper handling of pointers. The CVSS v3.1 base score is 7.8, indicating high severity with local attack vector, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability. 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 system. However, exploitation requires local access and user interaction.
Mitigation Recommendations
A patch is available for this vulnerability. It is recommended to apply the official Microsoft update for Microsoft 365 Apps for Enterprise version 16.0.1 to remediate the issue. There are no known exploits in the wild, but timely patching is advised to prevent potential exploitation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2025-12-04T20:04:16.339Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69668ae5a60475309f9ae232
Added to database: 1/13/2026, 6:11:49 PM
Last enriched: 4/3/2026, 12:51:44 PM
Last updated: 5/10/2026, 9:12:07 AM
Views: 113
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