HIGHCVSS v3.1 7.0Actively exploited · CISA KEV since 2023-03-30Vulnerability

CVE-2023-0266

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

Properties

Euvd product
Linux kernel
Vulnerability name
Linux Kernel Use-After-Free Vulnerability
First seen
2025-10-21T23:15:27+00:00
Cvss score
7
Epss score
0.03672
Last seen
2026-10-19T12:00:27+00:00
Due date
2023-04-20
Euvd assigner
Google
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2023-03-30T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2023-03-30
Score
7
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Linux
Cvss vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
7.9

Related Entities (5)

HAS_WEAKNESS (1)

→[Weakness]Use After Free

INVOLVES (1)

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CVE-2023-0266 (CVSS v3.1 7) — Ninja Signal Threat Intelligence | Ninja Signal