Vulnerability · Published Sep 11, 2020 · Assigned by microsoft

CVE-2020-1532Windows InstallService Elevation of Privilege Vulnerability

High 7.8

In plain English

A high-severity security flaw in Windows 10 Version 1903 for 32-bit Systems from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.9%top 39.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

<p>An elevation of privilege vulnerability exists when the Windows InstallService improperly handles memory.</p> <p>To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges.</p> <p>The security update addresses the vulnerability by correcting how the Windows InstallService handles memory.</p>

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1909 10.0.0 – before publication
Microsoft Windows Server, version 1909 (Server Core installation) 10.0.0 – before publication
Microsoft Windows 10 Version 1903 for 32-bit Systems 10.0.0 – before publication
Microsoft Windows 10 Version 1903 for x64-based Systems 10.0.0 – before publication
Microsoft Windows 10 Version 1903 for ARM64-based Systems 10.0.0 – before publication
Microsoft Windows Server, version 1903 (Server Core installation) 10.0.0 – before publication
Microsoft Windows 10 Version 2004 10.0.0 – before publication
Microsoft Windows Server version 2004 10.0.0 – before publication

References