Local privilege escalation through undisclosed ReFS flaw
Published Oct 11, 2022 · Updated Jan 2, 2025
Elevation of privilege in Microsoft Windows ReFS allows local users with low privileges to gain SYSTEM-level execution. Microsoft has not published the vulnerable ReFS operation, input path, or underlying programming error. Exploitation requires local low-privileged code execution; success grants complete control in the SYSTEM security context.
Summary
What happened
Elevation of privilege in Microsoft Windows ReFS allows local users with low privileges to gain SYSTEM-level execution. Microsoft has not published the vulnerable ReFS operation, input path, or underlying programming error. Exploitation requires local low-privileged code execution; success grants complete control in the SYSTEM security context.
The record
- CVE
- CVE-2022-38003
- Published
- Oct 11, 2022
- Updated
- Jan 2, 2025
- Vendor
- Microsoft
- Product
- Windows Server 2019
- Classifications
- T1068
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Oct 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
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=10.0.17763.0 <10.0.17763.3532
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.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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