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This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.
Current Description
<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>
An elevation of privilege vulnerability exists in the way that the Wininit.dll handles objects in memory, aka 'WinINet API Elevation of Privilege Vulnerability'.
Metrics
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CVE Modified by Microsoft Corporation6/16/2026 11:00:13 PM
Action
Type
Old Value
New Value
Added
Affected
[{"vendor":"Microsoft","product":"Internet Explorer 11","cpes":["cpe:2.3:a:microsoft:internet_explorer:11:-:*:*:*:*:*:*"],"platforms":["Windows 10 Version 2004 for 32-bit Systems","Windows 10 Version 2004 for ARM64-based Systems","Windows 10 Version 2004 for x64-based Systems","Windows 10 Version 1803 for 32-bit Systems","Windows 10 Version 1803 for x64-based Systems","Windows 10 Version 1803 for ARM64-based Systems","Windows 10 Version 1809 for 32-bit Systems","Windows 10 Version 1809 for x64-based Systems","Windows 10 Version 1809 for ARM64-based Systems","Windows Server 2019","Windows 10 Version 1909 for 32-bit Systems","Windows 10 Version 1909 for x64-based Systems","Windows 10 Version 1909 for ARM64-based Systems","Windows 10 Version 1709 for 32-bit Systems","Windows 10 Version 1709 for x64-based Systems","Windows 10 Version 1709 for ARM64-based Systems","Windows 10 Version 1903 for 32-bit Systems","Windows 10 Version 1903 for x64-based Systems","Windows 10 Version 1903 for ARM64-based Systems","Windows 10 for 32-bit Systems","Windows 10 for x64-based Systems","Windows 10 Version 1607 for 32-bit Systems","Windows 10 Version 1607 for x64-based Systems","Windows Server 2016","Windows 7 for 32-bit Systems Service Pack 1","Windows 7 for x64-based Systems Service Pack 1","Windows 8.1 for 32-bit systems","Windows 8.1 for x64-based systems","Windows RT 8.1","Windows Server 2008 R2 for x64-based Systems Service Pack 1","Windows Server 2012","Windows Server 2012 R2"],"versions":[{"version":"1.0.0","lessThan":"publication","versionType":"custom","status":"affected"}]}]
CVE Modified by Microsoft Corporation2/23/2026 1:22:59 PM
Action
Type
Old Value
New Value
Changed
Description
<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>
<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>
CVE Modified by Microsoft Corporation5/14/2024 2:37:56 AM
Action
Type
Old Value
New Value
CVE Modified by Microsoft Corporation12/31/2023 5:15:53 PM
Action
Type
Old Value
New Value
Changed
Description
An elevation of privilege vulnerability exists in the way that the Wininit.dll handles objects in memory, aka 'WinINet API Elevation of Privilege Vulnerability'.
<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>
Added
CVSS V3.1
Microsoft Corporation AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE Remap by NIST7/21/2021 7:39:23 AM
Action
Type
Old Value
New Value
Changed
CWE
CWE-269
NVD-CWE-noinfo
Initial Analysis by NIST9/17/2020 10:12:21 AM
Action
Type
Old Value
New Value
Added
CVSS V3.1
NIST AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Added
CVSS V2
NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Added
CWE
NIST CWE-269
Added
CPE Configuration
AND
OR
*cpe:2.3:a:microsoft:internet_explorer:11:-:*:*:*:*:*:*
OR
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
Changed
Reference Type
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1012 No Types Assigned
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