VULNERABILITY INTELLIGENCE

CVE-2019-0859

CVSS score7.8 HIGH

EPSS probability4.15%

CISA KEVKnown exploited vulnerability

Published2019-04-09

Last modified2026-06-17

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

Known Exploited Vulnerability

Microsoft Win32k Privilege Escalation Vulnerability

Vendor / product: Microsoft / Win32k

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-2019-0803.

Primary references

secure@microsoft.com — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource