CVE-2023-0266CISA KEVEPSS p88.6%

CVE-2023-0266Linux Kernel Use-After-Free Vulnerability

Linux / Kernel

Description

Linux kernel contains a use-after-free vulnerability that allows for privilege escalation to gain ring0 access from the system user.

Scoring

CVSS 7.9 ()
VectorCVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:H
EPSS3.70% probability of exploitation · percentile 88.6% · 2026-08-03T12:00:16Z
Last modified2026-06-17

CISA KEV entry

Added to KEV: 2023-03-30

(incoming)1

TypeTargetConfidenceTier
KEVEntryLinux Kernel Use-After-Free Vulnerabilitykev-cve-2023-02660%live

Related by meaning· 6

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

CVE
Android Kernel Use-After-Free Vulnerability
CVE
CVE-2026-48583
CVE
CVE-2026-45653
CVE
Linux Kernel Use of Uninitialized Resource Vulnerability
CVE
Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability
CVE
CVE-2026-42984
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.