CVE-2018-0743

Windows Subsystem for Linux Elevation of Privilege Vulnerability

CVE-2018-0743 is fixed in 5 products on 1 platform, first by KB4056891, released January 3, 2018. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.0
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0287
86th percentile

<p>An elevation of privilege vulnerability exists due to an integer overflow in Windows Subsystem for Linux. An attacker who successfully exploited the vulnerability could execute code with elevated permissions.</p> <p>To exploit the vulnerability, a locally authenticated attacker could run a specially crafted application.</p> <p>The security update addresses the vulnerability by correcting how Windows Subsystem for Linux handles objects in memory.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1703 for 32-bit Systems 15063.850 KB4056891 Jan 3, 2018
Windows 10 Version 1703 for x64-based Systems 15063.850 KB4056891 Jan 3, 2018
Windows 10 Version 1709 for 32-bit Systems 16299.192 KB4056892 Jan 3, 2018
Windows 10 Version 1709 for x64-based Systems 16299.192 KB4056892 Jan 3, 2018
Windows Server, version 1709 (Server Core Installation) 16299.192 KB4056892 Jan 3, 2018