Internet Explorer Security Feature Bypass Vulnerability
CVE-2018-8126 is fixed in 11 products on 1 platform, first by KB4103723, released May 8, 2018. It is not reported as exploited. Patch Radar priority: Routine.
<p>A security feature bypass vulnerability exists when Internet Explorer fails to validate User Mode Code Integrity (UMCI) policies. The vulnerability could allow an attacker to bypass Device Guard UMCI policies.</p> <p>To exploit the vulnerability, a user could either visit a malicious website or an attacker with access to the system could run a specially crafted application. An attacker could then leverage the vulnerability to run unsigned malicious code as though it were signed by a trusted source.</p> <p>The update addresses the vulnerability by correcting how Internet Explorer validates UMCI policies.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Internet Explorer 11 on Windows 10 Version 1607 for 32-bit Systems | 14393.2248 | KB4103723 | May 8, 2018 |
| Internet Explorer 11 on Windows 10 Version 1607 for x64-based Systems | 14393.2248 | KB4103723 | May 8, 2018 |
| Internet Explorer 11 on Windows 10 Version 1703 for 32-bit Systems | 15063.1088 | KB4103731 | May 8, 2018 |
| Internet Explorer 11 on Windows 10 Version 1703 for x64-based Systems | 15063.1088 | KB4103731 | May 8, 2018 |
| Internet Explorer 11 on Windows 10 Version 1709 for 32-bit Systems | 16299.431 | KB4103727 | May 8, 2018 |
| Internet Explorer 11 on Windows 10 Version 1709 for x64-based Systems | 16299.431 | KB4103727 | May 8, 2018 |
| Internet Explorer 11 on Windows 10 Version 1803 for 32-bit Systems | 17134.48 | KB4103721 | May 8, 2018 |
| Internet Explorer 11 on Windows 10 Version 1803 for x64-based Systems | 17134.48 | KB4103721 | May 8, 2018 |
| Internet Explorer 11 on Windows 10 for 32-bit Systems | 10240.17861 | KB4103716 | May 8, 2018 |
| Internet Explorer 11 on Windows 10 for x64-based Systems | 10240.17861 | KB4103716 | May 8, 2018 |
| Internet Explorer 11 on Windows Server 2016 | 14393.2248 | KB4103723 | May 8, 2018 |
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