Remote code execution
Published Jan 11, 2022 · Updated Jan 2, 2025
Remote code execution in affected Microsoft Word and SharePoint Enterprise Server 2016 builds allows attackers to run code after user interaction. Microsoft has not disclosed the vulnerable parser, file format, function, or incorrect operation that processes untrusted content. Exploitation requires user interaction and local access under Microsoft's CVSS assessment, while public sources do not explain how the SharePoint path is reached.
Summary
What happened
Remote code execution in affected Microsoft Word and SharePoint Enterprise Server 2016 builds allows attackers to run code after user interaction. Microsoft has not disclosed the vulnerable parser, file format, function, or incorrect operation that processes untrusted content. Exploitation requires user interaction and local access under Microsoft's CVSS assessment, while public sources do not explain how the SharePoint path is reached.
The record
- CVE
- CVE-2022-21842
- Published
- Jan 11, 2022
- Updated
- Jan 2, 2025
- Vendor
- Microsoft
- Product
- Microsoft SharePoint Enterprise Server 2016
- Classifications
- Unavailable
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jan 11, 2022CVE publishedPublication date reported by the CVE source.
- Jan 2, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=16.0.0 <16.0.5266.1000
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
No sourced classifications are available.
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
See the directory against your own environment.
Your stack
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