CVE-2019-0803: Microsoft Win32k Privilege Escalation Vulnerability

Published Apr 9, 2019
·
Updated

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-0685, CVE-2019-0859.

Other sources

Microsoft Win32k contains an unspecified vulnerability due to it failing to properly handle objects in memory causing privilege escalation. Successful exploitation allows an attacker to run code in kernel mode.

CISA

Affected Software

36 affected components
Microsoft Win32k
Microsoft Windows 10
Microsoft Windows 10=1607
Microsoft Windows 10=1703
Microsoft Windows 10=1709
Microsoft Windows 10=1803
Microsoft Windows 10=1809
Microsoft Windows 7=sp1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=1709
Microsoft Windows Server 2016=1803
Microsoft Windows Server 2019
Microsoft Windows 10 1507
Microsoft Windows 10 1507
Microsoft Windows 10 1607
Microsoft Windows 10 1607
Microsoft Windows 10 1703
Microsoft Windows 10 1703
Microsoft Windows 10 1709
Microsoft Windows 10 1709
Microsoft Windows 10 1709
Microsoft Windows 10 1803
Microsoft Windows 10 1803
Microsoft Windows 10 1803
Microsoft Windows 10 1809
Microsoft Windows 10 1809
Microsoft Windows 10 1809
Microsoft Windows Server 1709
Microsoft Windows Server 1803

Event History

Apr 9, 2019
CVE Published
via MITRE·08:15 PM
Data Sourced
via MITRE·08:15 PM
DescriptionWeakness
Data Sourced
via NVD·09:29 PM
RemedyDescriptionSeverityAffected Software
Nov 3, 2021
Known Exploited
via CISA·12:00 AM
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Frequently Asked Questions

1

What is the severity of CVE-2019-0803?

CVE-2019-0803 is rated as an elevation of privilege vulnerability, which can allow attackers to gain unauthorized access to system resources.

2

How do I fix CVE-2019-0803?

You can fix CVE-2019-0803 by applying the latest security updates provided by Microsoft for the affected Windows versions.

3

Which versions of Windows are affected by CVE-2019-0803?

CVE-2019-0803 affects multiple versions of Windows including Windows 7, 8.1, 10, and various Windows Server editions.

4

What type of vulnerability is CVE-2019-0803?

CVE-2019-0803 is an elevation of privilege vulnerability in the Win32k component of Windows.

5

Can CVE-2019-0803 be exploited remotely?

CVE-2019-0803 requires local access to the system for exploitation, making remote exploitation unlikely.

Contact

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