CVE-2022-27540

A potential Time-of-Check to Time-of Use (TOCTOU) vulnerability has been identified in the HP...

7.8 High

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

Attack profile

How easy it is to exploit

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

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.12%Up 0.1 points since Jun 29, 2024

What each source reports

CVE List Score used 7.8

Record: CVE-2022-27540
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-367
Updated: 2026-11-02

EUVDEUVD-2022-32041 7.8

Record: EUVD-2022-32041
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-gfx2-f362-7f24 7.8

A potential Time-of-Check to Time-of Use (TOCTOU) vulnerability has been identified in the HP...

Record: GHSA-gfx2-f362-7f24
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-367
Updated: 2026-11-02

NVD 7.8

Record: CVE-2022-27540
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-367
Updated: 2026-11-02

Affected products

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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-2022-27540 is a high vulnerability (CVSS 7.8) in Hp Dragonfly Folio 13.5 Inch G3 2-in-1 Notebook Pc Firmware, published June 28, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.12%, the 1st percentile. No source names a fixed version.