CVE-2018-0743
CVE-2018-0743 is a high-severity vulnerability in Microsoft Windows 10 with a CVSS 3.x base score of 7.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 3.x base score 7.0)
- CVSS v2: 4.4
- EPSS exploit prediction: 3% (85th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Windows 10
- Published:
- Last modified:
Description
Windows Subsystem for Linux in Windows 10 version 1703, Windows 10 version 1709, and Windows Server, version 1709 allows an elevation of privilege vulnerability due to the way objects are handled in memory, aka "Windows Subsystem for Linux Elevation of Privilege Vulnerability".
Frequently asked questions
- What is CVE-2018-0743?
- Windows Subsystem for Linux in Windows 10 version 1703, Windows 10 version 1709, and Windows Server, version 1709 allows an elevation of privilege vulnerability due to the way objects are handled in memory, aka "Windows Subsystem for Linux Elevation of Privilege Vulnerability".
- How severe is CVE-2018-0743?
- CVE-2018-0743 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-0743 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-0743?
- CVE-2018-0743 primarily affects Microsoft Windows 10. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2018-0743?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-0743 published?
- CVE-2018-0743 was published on 2018-01-04 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/102350
- http://www.securitytracker.com/id/1040094
- https://github.com/saaramar/execve_exploit
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0743
- https://twitter.com/AmarSaar/status/948892321755598848
- https://www.exploit-db.com/exploits/43962/
Affected products (3)
- cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:*
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