CVE-2026-32199
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.
CVSS Scores
EPSS Scores
Probability:
Percentile:
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-2026-32199
EUVD
EUVD-2026-22583
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
CWE Icon
KEV
KEV Icon
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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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
AI Quick Actions
Instant insights powered by AI
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 execute arbitrary code on your system with local access. This can lead to full compromise of confidentiality, integrity, and availability of your data and system.

Compliance Impact

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

Mitigation Strategies

To mitigate this vulnerability, ensure that Microsoft Office Excel is updated with the latest security patches provided by Microsoft.

Avoid opening untrusted or suspicious Excel files to reduce the risk of exploitation.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-32199. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart