Unrated severityCISA KEVNVD Advisory· Published Apr 9, 2019· Updated Oct 21, 2025

CVE-2019-0803

Description

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.

Affected products

Microsoft/Windowsv5
Range: 7 for 32-bit Systems Service Pack 1
Microsoft/Windows Serverv5
Range: 2008 R2 for x64-based Systems Service Pack 1 (Core installation)

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

packetstormsecurity.com/files/153034/Microsoft-Windows-Win32k-Privilege-Escalation.htmlmitrex_refsource_MISC
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0803mitrex_refsource_MISC

News mentions

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epss	0.072
exploit	0.030
kev	0.120
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ransomware	0.000