Host service interruption via undisclosed input validation
Published Feb 13, 2024 · Updated Aug 10, 2026
Improper input validation in Microsoft Windows Hyper-V allows local users to interrupt the host service through unspecified input. Microsoft has not published the affected code locus or the exact operation performed on attacker-controlled input. Low-privilege local access to an affected Hyper-V host is required, and the reported consequence is availability loss without data disclosure or modification.
Summary
What happened
Improper input validation in Microsoft Windows Hyper-V allows local users to interrupt the host service through unspecified input. Microsoft has not published the affected code locus or the exact operation performed on attacker-controlled input. Low-privilege local access to an affected Hyper-V host is required, and the reported consequence is availability loss without data disclosure or modification.
The record
- CVE
- CVE-2024-20684
- Published
- Feb 13, 2024
- Updated
- Aug 10, 2026
- Vendor
- Microsoft
- Product
- Windows 11 version 21H2
- Classifications
- CWE-20, T1499
- Attack vector
- local
- Privileges
- authenticated
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=10.0.0 <10.0.22000.2777
What conditions does exploitation require?
What is affected?
Published CVSS scores
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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.
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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