CVE-2025-62556
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-12-09

Last updated on: 2025-12-10

Assigner: Microsoft Corporation

Description
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
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Meta Information
Published
2025-12-09
Last Modified
2025-12-10
Generated
2026-06-16
AI Q&A
2025-12-09
EPSS Evaluated
2026-06-14
NVD
CVE-2025-62556
Affected Vendors & Products
Showing 7 associated CPEs
Vendor Product Version / Range
microsoft office_excel 3.1
microsoft 365_apps *
microsoft excel 2016
microsoft office_long_term_servicing_channel 2021
microsoft office 2019
microsoft office_long_term_servicing_channel 2024
microsoft office_online_server to 16.0.10417.20075 (inc)
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 is an untrusted pointer dereference in Microsoft Office Excel that allows an unauthorized attacker to execute code locally on the affected system.

Impact Analysis

An attacker exploiting this vulnerability could execute code on your system with high impact on confidentiality, integrity, and availability, potentially leading to unauthorized access or damage to your data and system.

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