CVE-2022-27540 — 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

Back Back to CVE browser

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

Published Jun 28, 2024

7.8

HIGH

CVSS 3.1

EPSS 0.12%

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.

Affected products

Vendor HP Inc. Product HP PC Bios Default
n/a
- Version
  See HP Security Bulletin reference for affected versions.
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

HP Inc.

HP PC Bios

n/a

Version	Status	Constraints
See HP Security Bulletin reference for affected versions.	affected	-

Remediation

No remediation recorded yet.

Metrics

0.12% 0.00117

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00117

Score over time

2024–2026

EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v3
EPSS v4
EPSS v5

Table of values (5 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.12% (0.00117)	1.50th	v5 (v2026.06.15)
Jun 15, 2026	0.12% (0.00117)	1.95th	v5 (v2026.06.15)
Mar 17, 2025	0.02% (0.00017)	2.21th	v4 (v2025.03.14)
Dec 12, 2024	0.04% (0.00043)	10.81th	v3 (v2023.03.01)
Jun 29, 2024	0.04% (0.00043)	9.11th	v3 (v2023.03.01)

Weaknesses (1)

CWE-367

References (1)

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

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

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner hp

Published Jun 28, 2024

Updated Aug 22, 2024

Reserved Mar 21, 2022

Link CVE-2022-27540

CISA Vulnrichment

Updated Jul 9, 2024

NVD

Status Analyzed

Modified Jun 17, 2026

Link CVE-2022-27540

Red Hat

Severity n/a

Public date n/a

Links CVE-2022-27540