CVE-2026-32198
Received Received - Intake
Use-After-Free in Microsoft Excel Enables Local Code Execution

Publication date: 2026-04-14

Last updated on: 2026-04-28

Assigner: Microsoft Corporation

Description
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
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Meta Information
Published
2026-04-14
Last Modified
2026-04-28
Generated
2026-06-16
AI Q&A
2026-04-14
EPSS Evaluated
2026-06-15
NVD
CVE-2026-32198
EUVD
EUVD-2026-22581
Affected Vendors & Products
Showing 13 associated CPEs
Vendor Product Version / Range
microsoft 365_apps *
microsoft 365_apps *
microsoft excel 2016
microsoft excel 2016
microsoft office_long_term_servicing_channel 2021
microsoft office 2019
microsoft office 2019
microsoft office_long_term_servicing_channel 2024
microsoft office_long_term_servicing_channel 2021
microsoft office_long_term_servicing_channel 2021
microsoft office_long_term_servicing_channel 2024
microsoft office_long_term_servicing_channel 2024
microsoft office_online_server to 16.0.10417.20113 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
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Compliance Impact

The provided information does not specify how this vulnerability affects compliance with common standards and regulations such as GDPR or HIPAA.

Mitigation Strategies

To mitigate this vulnerability, you should apply the security updates provided by Microsoft for Microsoft Office Excel as soon as they are available.

Additionally, avoid opening untrusted Excel files and ensure that your system's security settings prompt for user interaction before executing potentially unsafe content.

Executive Summary

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

Impact Analysis

An attacker exploiting this vulnerability can run malicious code on your computer with your user privileges. This can lead to complete compromise of confidentiality, integrity, and availability of your data and system.

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