CVE-2026-45643
Undergoing Analysis Undergoing Analysis - In Progress
Untrusted Pointer Dereference in Microsoft Office Word

Publication date: 2026-06-09

Last updated on: 2026-06-09

Assigner: Microsoft Corporation

Description
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
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Meta Information
Published
2026-06-09
Last Modified
2026-06-09
Generated
2026-06-10
AI Q&A
2026-06-09
EPSS Evaluated
N/A
NVD
EUVD
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft office_word *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-822 The product obtains a value from an untrusted source, converts this value to a pointer, and dereferences the resulting pointer.
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Executive Summary

This vulnerability involves an untrusted pointer dereference in Microsoft Office Word, which allows an unauthorized attacker to execute code locally on the affected system.

Impact Analysis

The impact of this vulnerability is that an attacker can execute code on your system with local access, potentially leading to full compromise of confidentiality, integrity, and availability of your data and system.

Mitigation Strategies

To mitigate this vulnerability, it is recommended to apply the security updates provided by Microsoft for Microsoft Office Word as soon as they become available.

Additionally, exercising caution when opening Word documents from untrusted sources can help reduce the risk of exploitation.

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