CVE-2022-31636

Potential time-of-check to time-of-use (TOCTOU) vulnerabilities have been identified in the BIOS...

7.8 High

Potential time-of-check to time-of-use (TOCTOU) vulnerabilities have been identified in the BIOS for certain HP PC products, which might allow arbitrary code execution, escalation of privilege, denial of service, and information disclosure.

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

0.14%Up 0.1 points since Jun 14, 2023

What each source reports

NVD Score used 7.8

Record: CVE-2022-31636
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

CVE List 7.8

Record: CVE-2022-31636
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-2022-53278 7.8

Record: EUVD-2022-53278
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-9m5f-j2g3-2fcr 7.8

Potential time-of-check to time-of-use (TOCTOU) vulnerabilities have been identified in the BIOS...

Record: GHSA-9m5f-j2g3-2fcr
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-2022-31636 is a high vulnerability (CVSS 7.8) in Hp Dragonfly Folio 13.5 Inch G3 2-in-1 Notebook Pc Firmware, published June 13, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.14%, the 3rd percentile. No source names a fixed version.