CVE-2019-0803

HighCVSS 7.8/10Known exploited (CISA KEV)Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected software

VendorProductVersions
MicrosoftWindows7 for 32-bit Systems Service Pack 1; 7 for x64-based Systems Service Pack 1; 8.1 for 32-bit systems; 8.1 for x64-based systems; RT 8.1; 10 for 32-bit Systems; 10 for x64-based Systems; 10 Version 1607 for 32-bit Systems; 10 Version 1607 for x64-based Systems; 10 Version 1703 for 32-bit Systems; 10 Version 1703 for x64-based Systems; 10 Version 1709 for 32-bit Systems; 10 Version 1709 for x64-based Systems; 10 Version 1803 for 32-bit Systems; 10 Version 1803 for x64-based Systems; 10 Version 1803 for ARM64-based Systems; 10 Version 1809 for 32-bit Systems; 10 Version 1809 for x64-based Systems; 10 Version 1809 for ARM64-based Systems; 10 Version 1709 for ARM64-based Systems
MicrosoftWindows Server2008 R2 for x64-based Systems Service Pack 1 (Core installation); 2008 R2 for Itanium-Based Systems Service Pack 1; 2008 R2 for x64-based Systems Service Pack 1; 2008 for 32-bit Systems Service Pack 2 (Core installation); 2012; 2012 (Core installation); 2012 R2; 2012 R2 (Core installation); 2016; 2016 (Core installation); version 1709 (Core Installation); version 1803 (Core Installation); 2019; 2019 (Core installation); 2008 for Itanium-Based Systems Service Pack 2; 2008 for 32-bit Systems Service Pack 2; 2008 for x64-based Systems Service Pack 2; 2008 for x64-based Systems Service Pack 2 (Core installation)

References

Timeline

Published
Apr 9, 2019
Last modified
Jun 17, 2026
Added to CISA KEV
Nov 3, 2021
NVD status
Analyzed

Related CVEs from 2019

CVE-2019-08046.5An information disclosure vulnerability exists in the way Azure WaLinuxAgent creates swap files on resource disks, aka 'Azure Linux Agent InCVE-2019-08057.8An elevation of privilege vulnerability exists when Windows improperly handles calls to the LUAFV driver (luafv.sys), aka 'Windows ElevationCVE-2019-08067.5A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka 'CCVE-2019-08087.8An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k CVE-2019-08097.8A remote code execution vulnerability exists when the Visual Studio C++ Redistributable Installer improperly validates input before loading CVE-2019-08107.5A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka 'CCVE-2019-08117.5A denial of service vulnerability exists in Windows DNS Server when it fails to properly handle DNS queries, aka 'Windows DNS Server Denial CVE-2019-08127.5A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka 'CCVE-2019-08139.8An elevation of privilege vulnerability exists when Windows Admin Center improperly impersonates operations in certain situations, aka 'WindCVE-2019-08145.5An information disclosure vulnerability exists when the win32k component improperly provides kernel information, aka 'Win32k Information DisCVE-2019-08157.5A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service VulnerabilitCVE-2019-08165.1A security feature bypass exists in Azure SSH Keypairs, due to a change in the provisioning logic for some Linux images that use cloud-init,
CVE-2019-0803: High severity, CVSS 7.8 | Vulnix