Local code execution via use-after-free
Published Sep 9, 2025 · Updated Sep 9, 2025
Use-after-free in Microsoft Office allows attackers to execute code locally after a user interacts with malicious content. Microsoft identifies an invalid free and maps the flaw to use-after-free, but has not disclosed the affected component, object lifetime, or input-processing path. Exploitation requires no prior privileges but does require user interaction; successful execution runs in the affected user's local context.
Summary
What happened
Use-after-free in Microsoft Office allows attackers to execute code locally after a user interacts with malicious content. Microsoft identifies an invalid free and maps the flaw to use-after-free, but has not disclosed the affected component, object lifetime, or input-processing path. Exploitation requires no prior privileges but does require user interaction; successful execution runs in the affected user's local context.
The record
- CVE
- CVE-2025-54906
- Published
- Sep 9, 2025
- Updated
- Sep 9, 2025
- Vendor
- Microsoft
- Product
- Microsoft Office LTSC for Mac 2024
- Classifications
- CWE-416, T1204
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Sep 9, 2025CVE publishedPublication date reported by the CVE source.
- Sep 9, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=N/A
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
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Public exploit references
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Technologies
Your stack
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Your stack
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