BaseFortify

Publication date: 2025-12-09

Last updated on: 2026-05-22

Assigner: Microsoft Corporation

Description

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2025-12-09

Last Modified

2026-05-22

Generated

2026-07-06

AI Q&A

2025-12-09

EPSS Evaluated

2026-07-04

NVD

CVE-2025-62557

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	365_copilot	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-416	The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

Attack-Flow Graph

Executive Summary

This vulnerability is a use-after-free issue in Microsoft Office that allows an unauthorized attacker to execute code locally on the affected system.

Impact Analysis

An attacker exploiting this vulnerability can execute arbitrary code with high impact on confidentiality, integrity, and availability, potentially leading to full compromise of the affected system.

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