CVE-2022-27538

7.0 HIGH 0.1% exploit odds Fix listed

What it is

A potential Time-of-Check to Time-of-Use (TOCTOU) vulnerability has been identified in the BIOS for certain HP PC products which may allow arbitrary code execution, denial of service, and information disclosure. HP is releasing BIOS updates to mitigate the potential vulnerability.

At a glance

Exploitability: Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.1% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2023-02-01 07:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 04:37 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.1% in the next 30 days (EPSS).
Severity: 7.0 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2023-02-01 07:15 UTC
Last modified: 2026-06-17 04:37 UTC
Exploit probability: 0.1% · EPSS, next 30 days
Weakness: CWE-367
Record status: Modified

Affected

HP Dragonfly Folio g3 2-in-1 Firmware < 01.03.01
HP Elite Dragonfly Firmware < 01.22.00
HP Elite Dragonfly g3 Firmware < 01.04.00
HP Elite Dragonfly g2 Firmware < 01.11.00
HP Elite Dragonfly Max Firmware < 01.11.00
HP Elite x2 1013 g3 Firmware < 01.22.00
HP Elite x2 g4 Firmware < 01.22.00
HP Elite x2 g8 Tablet Firmware < 01.11.00

Attack profile CVSS 3.1 · 7.0

Attack vector: Local
Complexity: High
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2022-27538.md and follow it. Check whether this project is affected by CVE-2022-27538. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record