Internet Explorer Security Feature Bypass Vulnerability
CVE-2018-0949 is fixed in 21 products on 1 platform, first by KB4338814, released July 10, 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 when Microsoft Internet Explorer improperly handles requests involving UNC resources. An attacker who successfully exploited the vulnerability could force the browser to load data that would otherwise be restricted.</p> <p>In a web-based attack scenario, an attacker could host a specially crafted website that is designed to exploit the vulnerability through Microsoft Internet Explorer and then convince a user to view the website. The attacker could also take advantage of compromised websites, and websites that accept or host user-provided content or advertisements. These websites could contain specially crafted content that could exploit the vulnerability.</p> <p>The security update addresses the vulnerability by modifying how affected Microsoft Internet Explorer handles requests involving UNC resources.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Internet Explorer 10 on Windows Server 2012 | KB4338830 | Jul 10, 2018 | |
| Internet Explorer 10 on Windows Server 2012 | KB4339093 | Jul 10, 2018 | |
| Internet Explorer 10 on Windows Server 2012 | KB4338816 | Jul 10, 2018 | |
| Internet Explorer 10 on Windows Server 2012 | KB4345425 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows 10 Version 1607 for 32-bit Systems | 14393.2368 | KB4345418 | Jul 16, 2018 |
| Internet Explorer 11 on Windows 10 Version 1607 for 32-bit Systems | 14393.2363 | KB4338814 | Jul 10, 2018 |
| Internet Explorer 11 on Windows 10 Version 1607 for x64-based Systems | 14393.2368 | KB4345418 | Jul 16, 2018 |
| Internet Explorer 11 on Windows 10 Version 1607 for x64-based Systems | 14393.2363 | KB4338814 | Jul 10, 2018 |
| Internet Explorer 11 on Windows 10 Version 1703 for 32-bit Systems | 15063.1209 | KB4345419 | Jul 16, 2018 |
| Internet Explorer 11 on Windows 10 Version 1703 for 32-bit Systems | 15063.1206 | KB4338826 | Jul 10, 2018 |
| Internet Explorer 11 on Windows 10 Version 1703 for x64-based Systems | 15063.1209 | KB4345419 | Jul 16, 2018 |
| Internet Explorer 11 on Windows 10 Version 1703 for x64-based Systems | 15063.1206 | KB4338826 | Jul 10, 2018 |
| Internet Explorer 11 on Windows 10 Version 1709 for 32-bit Systems | 16299.551 | KB4345420 | Jul 16, 2018 |
| Internet Explorer 11 on Windows 10 Version 1709 for 32-bit Systems | 16299.547 | KB4338825 | Jul 10, 2018 |
| Internet Explorer 11 on Windows 10 Version 1709 for x64-based Systems | 16299.551 | KB4345420 | Jul 16, 2018 |
| Internet Explorer 11 on Windows 10 Version 1709 for x64-based Systems | 16299.547 | KB4338825 | Jul 10, 2018 |
| Internet Explorer 11 on Windows 10 Version 1803 for 32-bit Systems | 17134.167 | KB4345421 | Jul 16, 2018 |
| Internet Explorer 11 on Windows 10 Version 1803 for 32-bit Systems | 17134.165 | KB4338819 | Jul 10, 2018 |
| Internet Explorer 11 on Windows 10 Version 1803 for x64-based Systems | 17134.167 | KB4345421 | Jul 16, 2018 |
| Internet Explorer 11 on Windows 10 Version 1803 for x64-based Systems | 17134.165 | KB4338819 | Jul 10, 2018 |
| Internet Explorer 11 on Windows 10 for 32-bit Systems | 10240.17918 | KB4345455 | Jul 16, 2018 |
| Internet Explorer 11 on Windows 10 for 32-bit Systems | 10240.17914 | KB4338829 | Jul 10, 2018 |
| Internet Explorer 11 on Windows 10 for x64-based Systems | 10240.17918 | KB4345455 | Jul 16, 2018 |
| Internet Explorer 11 on Windows 10 for x64-based Systems | 10240.17914 | KB4338829 | Jul 10, 2018 |
| Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1 | KB4339093 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1 | KB4338818 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1 | KB4338821 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1 | KB4345459 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1 | KB4339093 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1 | KB4338818 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1 | KB4338821 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1 | KB4345459 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows 8.1 for 32-bit systems | KB4338815 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows 8.1 for 32-bit systems | KB4338831 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows 8.1 for 32-bit systems | KB4339093 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows 8.1 for 32-bit systems | KB4345424 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows 8.1 for x64-based systems | KB4338815 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows 8.1 for x64-based systems | KB4338831 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows 8.1 for x64-based systems | KB4339093 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows 8.1 for x64-based systems | KB4345424 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows RT 8.1 | KB4338815 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4339093 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4338818 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4338821 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4345459 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows Server 2012 R2 | KB4338815 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows Server 2012 R2 | KB4338831 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows Server 2012 R2 | KB4339093 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows Server 2012 R2 | KB4345424 | Jul 10, 2018 | |
| Internet Explorer 11 on Windows Server 2016 | 14393.2368 | KB4345418 | Jul 16, 2018 |
| Internet Explorer 11 on Windows Server 2016 | 14393.2363 | KB4338814 | Jul 10, 2018 |
| Internet Explorer 9 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4339093 | Jul 10, 2018 | |
| Internet Explorer 9 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB4339093 | Jul 10, 2018 | |
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