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CVE-2020-1506

Windows Start-Up Application Elevation of Privilege Vulnerability

Published: Sep 11, 2020Updated: Feb 23, 2026 Sources: CVE List NVD BDUNVD-CWE-noinfo
6.1CVSSMEDIUM

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>

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:LA:N
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:LIntegrity
Low
A:NAvailability
None

Weaknesses

Affected Products

microsoft corpcommercialUSOperating Systemsaka microsoft corporation
and 5 more affected products View all →

Exploitability

Official Patch Available

References

Timeline

Published
Sep 11, 2020
Last Updated
Feb 23, 2026

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