CVE-2018-8453

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.700 · 99 %ileexploit · functionalEURUUS
grimoire priorityP0 · Act now
Exploitable?
Yes · in the wild
CISA KEV · 5 exploits · functional
Likely / severe?
70.0% (99th) EPSS
CVSS 7.2 · high
Is it mine?
68 products
Check your exposure
Who says so?
3 sources
cnnvd · enisa_euvd · fstec_bdu

added 2022-01-21remediate by 2022-07-21

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

Microsoft Win32k Privilege Escalation Vulnerability

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 affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

01

cvss

Technical severity, 0–10. One row per scoring source.

7.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9
v3.17highAV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondaryexploitability 1.8 · impact 5.9
v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416US
04

exploits (5)

Public proof-of-concept and weaponised exploit code.

05

affected products (68)

Products and version ranges known to be affected.

showing 20 of 68
06

also known as (4)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bduNVDCVE.orgMITRE
published 2018-10-10modified 2026-08-13
08

references (19)

External citations — patches, advisories, analysis.

scry

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