Local privilege escalation through undisclosed NTLM flaw
Published Jan 10, 2023 · Updated Jan 1, 2025
Elevation of privilege in Microsoft Windows NTLM allows local users with low privileges to obtain SYSTEM-level access. Microsoft has not published the affected NTLM code path or the incorrect operation that permits elevation. Exploitation requires local low-privilege access and can compromise confidentiality, integrity, and availability at the higher privilege level.
Summary
What happened
Elevation of privilege in Microsoft Windows NTLM allows local users with low privileges to obtain SYSTEM-level access. Microsoft has not published the affected NTLM code path or the incorrect operation that permits elevation. Exploitation requires local low-privilege access and can compromise confidentiality, integrity, and availability at the higher privilege level.
The record
- CVE
- CVE-2023-21746
- Published
- Jan 10, 2023
- Updated
- Jan 1, 2025
- Vendor
- Microsoft
- Product
- Windows 10 Version 1507
- Classifications
- T1068
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Jan 10, 2023CVE publishedPublication date reported by the CVE source.
- Jan 1, 2025Record 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=10.0.10240.0 <10.0.10240.19685
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.
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Technologies
Your stack
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Your stack
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