User-assisted code execution via malicious file
Published Feb 13, 2024 · Updated Aug 10, 2026
Remote code execution in affected Microsoft Office-family 2016, 2019, and 2021 applications allows local attackers to run code via a malicious file. Microsoft has not disclosed the affected parser, file format, or failed protection check involved in processing attacker-controlled content. Successful exploitation requires user interaction, and resulting code executes in the user's security context.
Summary
What happened
Remote code execution in affected Microsoft Office-family 2016, 2019, and 2021 applications allows local attackers to run code via a malicious file. Microsoft has not disclosed the affected parser, file format, or failed protection check involved in processing attacker-controlled content. Successful exploitation requires user interaction, and resulting code executes in the user's security context.
The record
- CVE
- CVE-2024-20673
- Published
- Feb 13, 2024
- Updated
- Aug 10, 2026
- Vendor
- Microsoft
- Product
- Microsoft PowerPoint 2016
- Classifications
- CWE-693, T1204.002
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Feb 13, 2024CVE publishedPublication date reported by the CVE source.
- Aug 10, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=16.0.0 <16.0.5435.1000
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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