CVE-2019-0803

high

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.

References

http://packetstormsecurity.com/files/153034/Microsoft-Windows-Win32k-Privilege-Escalation.html

https://media.defense.gov/2020/Oct/20/2002519884/-1/-1/0/CSA_CHINESE_EXPLOIT_VULNERABILITIES_UOO179811.PDF

https://www.tenable.com/blog/government-agencies-warn-of-state-sponsored-actors-exploiting-publicly-known-vulnerabilities

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0803

Details

Source: Mitre, NVD

Published: 2019-04-09

Updated: 2025-04-04

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H