Kernel information disclosure to low-privileged local users
Published Oct 13, 2021 · Updated Aug 4, 2024
Windows kernel information disclosure allows local users to read sensitive data on Windows 11 21H2 and Windows Server 2022. Microsoft has not disclosed the vulnerable kernel function, the input that reaches it, or the incorrect operation that exposes the data. A low-privileged local account is required; the reported consequence is confidentiality loss without data modification or service interruption.
Summary
What happened
Windows kernel information disclosure allows local users to read sensitive data on Windows 11 21H2 and Windows Server 2022. Microsoft has not disclosed the vulnerable kernel function, the input that reaches it, or the incorrect operation that exposes the data. A low-privileged local account is required; the reported consequence is confidentiality loss without data modification or service interruption.
The record
- CVE
- CVE-2021-41336
- Published
- Oct 13, 2021
- Updated
- Aug 4, 2024
- Vendor
- Microsoft
- Product
- Windows 11 version 21H2
- Classifications
- Unavailable
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Oct 13, 2021CVE publishedPublication date reported by the CVE source.
- Aug 4, 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 <10.0.22000.258
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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