Local disclosure across Hyper-V security boundary
Published Apr 13, 2021 · Updated Aug 3, 2024
Information disclosure in Microsoft Hyper-V allows local users to read confidential data across a changed security boundary. Microsoft has not published the affected Hyper-V component, the input or operation that exposes data, or the specific data disclosed. Exploitation requires local low-privileged access; no integrity or availability impact is reported.
Summary
What happened
Information disclosure in Microsoft Hyper-V allows local users to read confidential data across a changed security boundary. Microsoft has not published the affected Hyper-V component, the input or operation that exposes data, or the specific data disclosed. Exploitation requires local low-privileged access; no integrity or availability impact is reported.
The record
- CVE
- CVE-2021-28441
- Published
- Apr 13, 2021
- Updated
- Aug 3, 2024
- Vendor
- Microsoft
- Product
- Windows Server 2019
- Classifications
- Unavailable
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Apr 13, 2021CVE publishedPublication date reported by the CVE source.
- Aug 3, 2024Record 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 <publication
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.
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Technologies
Your stack
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Your stack
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