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Vulnerability record · CVE-2022-27540 · published 28 June 2024

CVE-2022-27540: Hp elitebook 745 g4 firmware toctou race condition vulnerability

Hp · Elitebook 745 G4 Firmware

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.

7.8 CVSS 3.1 High EPSS 0.12% · top 98.5% CWE-367 · TOCTOU race condition
7.8CVSS 3.1 base score
0.12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
150Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

150 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://support.hp.com/us-en/document/ish_10810714-10810745-16/hpsbhf03948 Vendor Advisory
https://support.hp.com/us-en/document/ish_10810714-10810745-16/hpsbhf03948 Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2022-27540), CISA KEV, FIRST EPSS (scores of 2026-10-17). This page is refreshed as NVD updates the record.