Local privilege escalation via insecure driver port permissions
Published Aug 31, 2023 · Updated Apr 10, 2026
Local privilege escalation in affected Acronis Windows products allows local users to gain elevated privileges through a driver port. An unidentified driver assigns overly broad permissions to its communication port, allowing low-privileged processes to cross the service boundary. A local account and code execution are required; successful exploitation elevates privileges, while the vendor has not disclosed the driver or request sequence.
Summary
What happened
Local privilege escalation in affected Acronis Windows products allows local users to gain elevated privileges through a driver port. An unidentified driver assigns overly broad permissions to its communication port, allowing low-privileged processes to cross the service boundary. A local account and code execution are required; successful exploitation elevates privileges, while the vendor has not disclosed the driver or request sequence.
The record
- CVE
- CVE-2023-41743
- Published
- Aug 31, 2023
- Updated
- Apr 10, 2026
- Vendor
- Acronis
- Product
- Acronis Cyber Protect Home Office
- Classifications
- CWE-269, T1068
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Aug 31, 2023CVE publishedPublication date reported by the CVE source.
- Apr 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=0 <40278
- Affected versionversion=unspecified <40278
What conditions does exploitation require?
What is affected?
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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