CVE-2020-1012: WinINet API Elevation of Privilege Vulnerability
First published: Fri Sep 11 2020(Updated: )
<p>An elevation of privilege vulnerability exists in the way that the Wininit.dll handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions.</p> <p>There are multiple ways an attacker could exploit the vulnerability:</p> <ul> <li><p>In a web-based attack scenario, an attacker could host a specially crafted website that is designed to exploit this vulnerability and then convince a user to view the website. An attacker would have no way to force users to view the attacker-controlled content. Instead, an attacker would have to convince users to take action, typically by getting them to click a link in an email message or in an Instant Messenger message that takes users to the attacker's website, or by opening an attachment sent through email.</p> </li> <li><p>In a file sharing attack scenario, an attacker could provide a specially crafted document file that is designed to exploit this vulnerability, and then convince a user to open the document file.</p> </li> </ul> <p>The security update addresses the vulnerability by ensuring the Wininit.dll properly handles objects in memory.</p>
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| =11 | ||
| Any of | ||
| =1607 | ||
| =1709 | ||
| =1803 | ||
| =1809 | ||
| =1903 | ||
| =1909 | ||
| =2004 | ||
| =sp1 | ||
| =r2-sp1 | ||
| =r2 | ||
| Microsoft Internet Explorer | =11 | |
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows 10 | =1709 | |
| Microsoft Windows 10 | =1803 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =1903 | |
| Microsoft Windows 10 | =1909 | |
| Microsoft Windows 10 | =2004 | |
| Microsoft Windows 7 | =sp1 | |
| Microsoft Windows 8.1 | ||
| Microsoft Windows RT 8.1 | ||
| Microsoft Windows Server 2008 | =r2-sp1 | |
| Microsoft Windows Server 2012 | ||
| Microsoft Windows Server 2012 | =r2 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server 2019 |
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Frequently Asked Questions
What is CVE-2020-1012?
CVE-2020-1012 is an elevation of privilege vulnerability in the Wininit.dll file.
How does CVE-2020-1012 affect Microsoft Internet Explorer?
CVE-2020-1012 does not affect Microsoft Internet Explorer 11.
Is Microsoft Windows 10 affected by CVE-2020-1012?
No, Microsoft Windows 10 is not affected by CVE-2020-1012.
What is the severity of CVE-2020-1012?
The severity of CVE-2020-1012 is high with a CVSS score of 8.8.
Where can I find more information about CVE-2020-1012?
You can find more information about CVE-2020-1012 at https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1012.
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- version/microsoft windows 10/1709
- version/microsoft windows 10/1803
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- version/microsoft windows 10/1903
- version/microsoft windows 10/1909
- version/microsoft windows 10/2004
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