CVE-2020-1012

WinINet API Elevation of Privilege Vulnerability

CVE-2020-1012 is fixed in 32 products on 1 platform, first by KB4577015, released September 8, 2020. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
8.8
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0374
89th percentile

<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>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Internet Explorer 11 on Windows 10 Version 1607 for 32-bit Systems 14393.3930 KB4577015 Sep 8, 2020
Internet Explorer 11 on Windows 10 Version 1607 for x64-based Systems 14393.3930 KB4577015 Sep 8, 2020
Internet Explorer 11 on Windows 10 Version 1709 for 32-bit Systems 16299.2107 KB4577041 Sep 8, 2020
Internet Explorer 11 on Windows 10 Version 1709 for ARM64-based Systems 16299.2107 KB4577041 Sep 8, 2020
Internet Explorer 11 on Windows 10 Version 1709 for x64-based Systems 16299.2107 KB4577041 Sep 8, 2020
Internet Explorer 11 on Windows 10 Version 1803 for 32-bit Systems 17134.1726 KB4577032 Sep 8, 2020
Internet Explorer 11 on Windows 10 Version 1803 for ARM64-based Systems 17134.1726 KB4577032 Sep 8, 2020
Internet Explorer 11 on Windows 10 Version 1803 for x64-based Systems 17134.1726 KB4577032 Sep 8, 2020
Internet Explorer 11 on Windows 10 Version 1809 for 32-bit Systems 17763.1457 KB4570333 Sep 8, 2020
Internet Explorer 11 on Windows 10 Version 1809 for ARM64-based Systems 17763.1457 KB4570333 Sep 8, 2020
Internet Explorer 11 on Windows 10 Version 1809 for x64-based Systems 17763.1457 KB4570333 Sep 8, 2020
Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems KB4574727 Sep 8, 2020
Internet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systems KB4574727 Sep 8, 2020
Internet Explorer 11 on Windows 10 Version 1903 for x64-based Systems KB4574727 Sep 8, 2020
Internet Explorer 11 on Windows 10 Version 1909 for 32-bit Systems KB4574727 Sep 8, 2020
Internet Explorer 11 on Windows 10 Version 1909 for ARM64-based Systems KB4574727 Sep 8, 2020
Internet Explorer 11 on Windows 10 Version 1909 for x64-based Systems KB4574727 Sep 8, 2020
Internet Explorer 11 on Windows 10 Version 2004 for 32-bit Systems 19041.508 KB4571756 Sep 8, 2020
Internet Explorer 11 on Windows 10 Version 2004 for ARM64-based Systems 19041.508 KB4571756 Sep 8, 2020
Internet Explorer 11 on Windows 10 Version 2004 for x64-based Systems 19041.508 KB4571756 Sep 8, 2020
Internet Explorer 11 on Windows 10 for 32-bit Systems 10240.18696 KB4577049 Sep 8, 2020
Internet Explorer 11 on Windows 10 for x64-based Systems 10240.18696 KB4577049 Sep 8, 2020
Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1 KB4577051 Sep 8, 2020
Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1 KB4577010 Sep 8, 2020
Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1 KB4577051 Sep 8, 2020
Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1 KB4577010 Sep 8, 2020
Internet Explorer 11 on Windows 8.1 for 32-bit systems KB4577066 Sep 8, 2020
Internet Explorer 11 on Windows 8.1 for 32-bit systems KB4577010 Sep 8, 2020
Internet Explorer 11 on Windows 8.1 for x64-based systems KB4577066 Sep 8, 2020
Internet Explorer 11 on Windows 8.1 for x64-based systems KB4577010 Sep 8, 2020
Internet Explorer 11 on Windows RT 8.1 KB4577066 Sep 8, 2020
Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4577051 Sep 8, 2020
Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4577010 Sep 8, 2020
Internet Explorer 11 on Windows Server 2012 KB4577038 Sep 8, 2020
Internet Explorer 11 on Windows Server 2012 KB4577010 Sep 8, 2020
Internet Explorer 11 on Windows Server 2012 R2 KB4577066 Sep 8, 2020
Internet Explorer 11 on Windows Server 2012 R2 KB4577010 Sep 8, 2020
Internet Explorer 11 on Windows Server 2016 14393.3930 KB4577015 Sep 8, 2020
Internet Explorer 11 on Windows Server 2019 17763.1457 KB4570333 Sep 8, 2020