CVE-2020-1054CISA KEVEPSS p99.0%

CVE-2020-1054Microsoft Win32k Privilege Escalation Vulnerability

Microsoft / Win32k

Description

Microsoft Win32k contains a privilege escalation vulnerability when the Windows kernel-mode driver fails to properly handle objects in memory. Successful exploitation allows an attacker to execute code in kernel mode.

Scoring

CVSS 7.0 ()
VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS54.16% probability of exploitation · percentile 99.0% · 2026-10-03T12:00:21Z
Last modified2026-08-19

CISA KEV entry

Added to KEV: 2021-11-03

(incoming)1

TypeTargetConfidenceTier
KEVEntryMicrosoft Win32k Privilege Escalation Vulnerabilitykev-cve-2020-10540%live

Related by meaning· 1

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
Microsoft Windows Kernel Privilege Escalation Vulnerability
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.