BaseFortify

Publication date: 2025-12-09

Last updated on: 2026-05-22

Assigner: Microsoft Corporation

Description

Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2025-12-09

Last Modified

2026-05-22

Generated

2026-07-06

AI Q&A

2025-12-09

EPSS Evaluated

2026-07-05

NVD

CVE-2025-62554

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	365_copilot	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-843	The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

Attack-Flow Graph

Executive Summary

This vulnerability is a type confusion issue in Microsoft Office that allows an unauthorized attacker to execute code locally by accessing a resource using an incompatible type.

Impact Analysis

An attacker exploiting this vulnerability can execute code on your system with high impact on confidentiality, integrity, and availability, potentially leading to unauthorized actions or system compromise.

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