CVE-2023-26300

A potential security vulnerability has been identified in the system BIOS for certain HP PC...

7.8 High

A potential security vulnerability has been identified in the system BIOS for certain HP PC products which might allow escalation of privilege. HP is releasing firmware updates to mitigate the potential vulnerability.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.20%Up 0.2 points since Oct 19, 2023

What each source reports

NVD Score used 7.8

Record: CVE-2023-26300
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

CVE List No score

Record: CVE-2023-26300
Updated: 2026-11-02

EUVDEUVD-2023-30123 0.0

Record: EUVD-2023-30123
CVSS: 0.0 NoneCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-jppc-gxqh-pgw5 7.8

A potential security vulnerability has been identified in the system BIOS for certain HP PC...

Record: GHSA-jppc-gxqh-pgw5
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

Show 78 moreShow less

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-26300 is a high vulnerability (CVSS 7.8) in Hp Inc. Pc Products, published October 18, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 9th percentile. No source names a fixed version.