HIGHCVSS 7.8Actively exploited · CISA KEV since 2022-01-10Vulnerability

CVE-2019-1458

A privilege escalation vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k EoP.

Properties

Euvd product
Windows, Windows Server
Vulnerability name
Microsoft Win32k Privilege Escalation Vulnerability
First seen
2026-08-12T03:55:53+00:00
Cvss score
7.8
Epss score
0.74438
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-07-10
Euvd assigner
microsoft
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2022-01-10T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2022-01-10
Euvd base score version
3.1
Score
7.8
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Microsoft
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
7.8

Related Entities (16)

AFFECTS_PRODUCT (13)

→[Product]cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x86:*
→[Product]cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:itanium:*
→[Product]cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:x86:*
→[Product]cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:*
→[Product]cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*
→[Product]cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*
→[Product]cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:x64:*

DESCRIBES (1)

←[KEVEntry]Microsoft Win32k Privilege Escalation Vulnerability

INVOLVES (1)

←[Signal]kev_added · 2022-01-10

MENTIONED_IN (1)

→[Campaign]Q1 2026 malware statistics report for Windows web servers

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CVE-2019-1458 (CVSS 7.8) — Ninja Signal Threat Intelligence | Ninja Signal