CVE-2026-32190
Use-After-Free in Microsoft Office Enables Local Code Execution
Publication date: 2026-04-14
Last updated on: 2026-04-29
Assigner: Microsoft Corporation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | office | 2016 |
| microsoft | 365_apps | * |
| microsoft | 365_apps | * |
| microsoft | office | 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 |
Helpful Resources
Exploitability
| 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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.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 Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a use-after-free issue in Microsoft Office that allows an unauthorized attacker to execute code locally on the affected system.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
The provided information does not specify how this vulnerability affects compliance with common standards and regulations such as GDPR or HIPAA.
How can this vulnerability impact me? :
An attacker exploiting this vulnerability can execute arbitrary code on your system with high impact on confidentiality, integrity, and availability, potentially leading to full system compromise.
What immediate steps should I take to mitigate this vulnerability?
This vulnerability involves a use after free in Microsoft Office that allows an unauthorized attacker to execute code locally.
To mitigate this vulnerability, it is recommended to apply the security updates provided by Microsoft as soon as possible.
Additionally, limiting local access to Microsoft Office and ensuring that users do not open untrusted documents can help reduce risk.