Live › vulnerability › CVE-2019-1458
Go to dashboardA flaw in the Windows Win32k kernel component mishandles objects in memory, letting a local user escalate privileges. Attackers exploit it in the wild and ransomware groups have used it, so a low-privilege foothold on a Windows machine can become SYSTEM.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Apply updates per vendor instructions.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Microsoft Win32k | vendor | – | – |
Unknown from the sources. In the analyst’s queue.
Apply the Microsoft security update for CVE-2019-1458 per vendor instructions, as CISA requires.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
A privilege escalation vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k EoP.
CISA required action: Apply updates per vendor instructions.
This page as .md · .json · in your agent: get_signal("CVE-2019-1458")
CISA KEV catalog, Creative Commons 0 · EPSS scores by FIRST, used with attribution · NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.