HIGHCVSS 7.8Actively exploited · CISA KEV since 2022-01-21Vulnerability

CVE-2018-8453

Microsoft Windows Win32k contains a vulnerability that allows an attacker to escalate privileges.

Properties

Euvd product
Windows Server 2008, Windows 10, Windows Server 2008 R2, Windows 7, Windows Server 2012, Windows Server 2016, Windows 8.1, Windows Server 2012 R2, Windows Server 2019, Windows 10 Servers, Windows RT 8.1
Vulnerability name
Microsoft Win32k Privilege Escalation Vulnerability
First seen
2026-08-13T03:55:24+00:00
Cvss score
7.8
Epss score
0.70042
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-07-21
Euvd assigner
microsoft
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2022-01-21T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2022-01-21
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:N/UI:R/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
7.8

Related Entities (19)

AFFECTS_PRODUCT (17)

→[Product]cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_1803:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_1709:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_1703:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:*:*
→[Product]cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*

DESCRIBES (1)

←[KEVEntry]Microsoft Win32k Privilege Escalation Vulnerability

INVOLVES (1)

←[Signal]kev_added · 2022-01-21

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CVE-2018-8453 (CVSS 7.8) — Ninja Signal Threat Intelligence | Ninja Signal