Microsoft Edge PDF Information Disclosure Vulnerability
CVE-2018-0766 is fixed in 11 products on 1 platform, first by KB4056888, released January 3, 2018. It is not reported as exploited. Patch Radar priority: Routine.
<p>An information disclosure vulnerability exists when Microsoft Edge PDF Reader improperly handles objects in memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system.</p> <p>To exploit the vulnerability, in a web-based attack scenario, an attacker could host a website that contains malicious PDF content. In addition, compromised websites and websites that accept or host user-provided content could contain specially crafted PDF content that could exploit the vulnerability. However, in all cases an attacker would have no way to force a user to view the attacker-controlled content. Instead, an attacker would have to convince a user to take action. For example, an attacker could trick a user into clicking a link that takes the user to the attacker's site.</p> <p>The security update addresses the vulnerability by modifying how Microsoft Edge PDF Reader handles objects in memory.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1511 for 32-bit Systems | 10586.1356 | KB4056888 | Jan 3, 2018 |
| Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1511 for x64-based Systems | 10586.1356 | KB4056888 | Jan 3, 2018 |
| Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for 32-bit Systems | 14393.2007 | KB4056890 | Jan 3, 2018 |
| Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for x64-based Systems | 14393.2007 | KB4056890 | Jan 3, 2018 |
| Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for 32-bit Systems | 15063.850 | KB4056891 | Jan 3, 2018 |
| Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for x64-based Systems | 15063.850 | KB4056891 | Jan 3, 2018 |
| Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for 32-bit Systems | 16299.192 | KB4056892 | Jan 3, 2018 |
| Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for x64-based Systems | 16299.192 | KB4056892 | Jan 3, 2018 |
| Microsoft Edge (EdgeHTML-based) on Windows 10 for 32-bit Systems | 10240.17738 | KB4056893 | Jan 3, 2018 |
| Microsoft Edge (EdgeHTML-based) on Windows 10 for x64-based Systems | 10240.17738 | KB4056893 | Jan 3, 2018 |
| Microsoft Edge (EdgeHTML-based) on Windows Server 2016 | 14393.2007 | KB4056890 | Jan 3, 2018 |