Internet Explorer Security Feature Bypass Vulnerability
CVE-2018-8470 is fixed in 18 products on 1 platform, first by KB4457131, released September 11, 2018. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.
<p>A security feature bypass vulnerability exists in Internet Explorer due to how scripts are handled that allows a universal cross-site scripting (UXSS) condition. An attacker could use the UXSS vulnerability to access any session belonging to web pages currently opened (or cached) by the browser at the time the attack is triggered.</p> <p>To exploit the UXSS vulnerability, a user must be logged on and running an affected version of Internet Explorer. The user would then need to browse to a malicious website or a website serving the malicious code.</p> <p>The security update addresses the UXSS vulnerability by helping to ensure that Internet Explorer properly handles scripts.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Internet Explorer 11 on Windows 10 Version 1607 for 32-bit Systems | 14393.2485 | KB4457131 | Sep 11, 2018 |
| Internet Explorer 11 on Windows 10 Version 1607 for x64-based Systems | 14393.2485 | KB4457131 | Sep 11, 2018 |
| Internet Explorer 11 on Windows 10 Version 1703 for 32-bit Systems | 15063.1324 | KB4457138 | Sep 11, 2018 |
| Internet Explorer 11 on Windows 10 Version 1703 for x64-based Systems | 15063.1324 | KB4457138 | Sep 11, 2018 |
| Internet Explorer 11 on Windows 10 Version 1709 for 32-bit Systems | 16299.665 | KB4457142 | Sep 11, 2018 |
| Internet Explorer 11 on Windows 10 Version 1709 for x64-based Systems | 16299.665 | KB4457142 | Sep 11, 2018 |
| Internet Explorer 11 on Windows 10 Version 1803 for 32-bit Systems | 17134.285 | KB4457128 | Sep 11, 2018 |
| Internet Explorer 11 on Windows 10 Version 1803 for x64-based Systems | 17134.285 | KB4457128 | Sep 11, 2018 |
| Internet Explorer 11 on Windows 10 for 32-bit Systems | 10240.17976 | KB4457132 | Sep 11, 2018 |
| Internet Explorer 11 on Windows 10 for x64-based Systems | 10240.17976 | KB4457132 | Sep 11, 2018 |
| Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1 | KB4457426 | Sep 11, 2018 | |
| Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1 | KB4457144 | Sep 11, 2018 | |
| Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1 | KB4457426 | Sep 11, 2018 | |
| Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1 | KB4457144 | Sep 11, 2018 | |
| Internet Explorer 11 on Windows 8.1 for 32-bit systems | KB4457129 | Sep 11, 2018 | |
| Internet Explorer 11 on Windows 8.1 for 32-bit systems | KB4457426 | Sep 11, 2018 | |
| Internet Explorer 11 on Windows 8.1 for x64-based systems | KB4457129 | Sep 11, 2018 | |
| Internet Explorer 11 on Windows 8.1 for x64-based systems | KB4457426 | Sep 11, 2018 | |
| Internet Explorer 11 on Windows RT 8.1 | KB4457129 | Sep 11, 2018 | |
| Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4457426 | Sep 11, 2018 | |
| Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4457144 | Sep 11, 2018 | |
| Internet Explorer 11 on Windows Server 2012 R2 | KB4457129 | Sep 11, 2018 | |
| Internet Explorer 11 on Windows Server 2012 R2 | KB4457426 | Sep 11, 2018 | |
| Internet Explorer 11 on Windows Server 2016 | 14393.2485 | KB4457131 | Sep 11, 2018 |