CVE-2020-0876

Win32k Information Disclosure Vulnerability

CVE-2020-0876 is fixed in 8 products on 1 platform, first by KB4540673, released March 10, 2020. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.0
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0594
93rd percentile

<p>An information disclosure vulnerability exists when the win32k component improperly provides kernel information. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system.</p> <p>To exploit the vulnerability, an attacker would have to either log on locally to an affected system, or convince a locally authenticated user to execute a specially crafted application.</p> <p>The security update addresses the vulnerability by correcting how win32k handles objects in memory.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1903 for 32-bit Systems KB4540673 Mar 10, 2020
Windows 10 Version 1903 for ARM64-based Systems KB4540673 Mar 10, 2020
Windows 10 Version 1903 for x64-based Systems KB4540673 Mar 10, 2020
Windows 10 Version 1909 for 32-bit Systems KB4540673 Mar 10, 2020
Windows 10 Version 1909 for ARM64-based Systems KB4540673 Mar 10, 2020
Windows 10 Version 1909 for x64-based Systems KB4540673 Mar 10, 2020
Windows Server, version 1903 (Server Core installation) KB4540673 Mar 10, 2020
Windows Server, version 1909 (Server Core installation) KB4540673 Mar 10, 2020

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