CVE WatchAug 13, 2026

CVE-2018-8120

Microsoft Win32k Privilege Escalation Vulnerability

CVSS

7.0

High

EPSS

73.4%

p99

KEV

YES

Mar 15, 2022

Exploit Today

0-100

Published: May 9, 2018 · Last modified: Aug 13, 2026 · CWE-404

EPSS · 30d

73.4%EPSS · 30 days73.4%

2026-09-162026-10-14

KEV catalog record

Product

Microsoft / Win32k

Vulnerability

Microsoft Win32k Privilege Escalation Vulnerability

Added to KEV

Mar 15, 2022

Remediate by

Apr 5, 2022

Known ransomware use

Yes

Summary description

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

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2018-8120

Technical 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 affects Windows Server 2008, Windows 7, Windows Server 2008 R2. This CVE ID is unique from CVE-2018-8124, CVE-2018-8164, CVE-2018-8166.

Official references

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