CVE-2024-0762: Potential buffer overflow in unsafe UEFI variable handling in Phoenix SecureCore™ for select Intel platform

Q: How do I fix CVE-2024-0762?

securecore technology: upgrade to 4.0.1.998, 4.1.0.562, 4.2.0.323, 4.2.1.287, 4.3.0.236, 4.3.1.184, 4.4.0.269, 4.5.0.218, 4.5.1.15. Exact commands for each OS are on this page.

Q: Is CVE-2024-0762 being exploited?

CVE-2024-0762 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-0762 affect?

CVE-2024-0762 affects securecore technology. Severity is high (CVSS 7.5). Potential buffer overflow in unsafe UEFI variable handling in Phoenix SecureCore™ for select Intel platforms This issue affects: Phoenix SecureCore™ for Intel Kaby Lake: from 4.0.1.1 before 4.0.1.998; Phoenix SecureCore™ for In

Q: How urgent is CVE-2024-0762?

Priority 45/100. High severity; Public exploit reference

This month

HIGH 7.5UPGRADE

CVE-2024-0762 is a high-severity flaw (CVSS 7.5) affecting securecore technology. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Potential buffer overflow in unsafe UEFI variable handling in Phoenix SecureCore™ for select Intel platforms This issue affects: Phoenix SecureCore™ for Intel Kaby Lake: from 4.0.1.1 before 4.0.1.998; Phoenix SecureCore™ for Intel Coffee Lake: from 4.1.0.1 before 4.1.0.562; Phoenix SecureCore™ for Intel Ice Lake: from 4.2.0.1 before 4.2.0.323; Phoenix SecureCore™ for Intel Comet Lake: from 4.2.1.1 before 4.2.1.287; Phoenix

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Local
Attack complexity	High
Privileges needed	High
User interaction	None
EPSS exploit chance	0.8% (top 45%)
CISA exploited list	No
Weakness	CWE-120
Published	2024-05-14
Last modified	2026-06-17

Publisher (CNA): Phoenix Technologies, Inc. · Vendor: phoenixtech

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-05-14 16:15 UTCPublished CVE record published
2026-06-17 06:54 UTCUpdated Record last modified

phoenixtech securecore technology UPGRADE

Affected: >= 4.0.1.1 and < 4.0.1.998 · >= 4.1.0.1 and < 4.1.0.562 · >= 4.2.0.1 and < 4.2.0.323 · >= 4.2.1.1 and < 4.2.1.287 · >= 4.3.0.1 and < 4.3.0.236 · >= 4.3.1.1 and < 4.3.1.184 · >= 4.4.0.1 and < 4.4.0.269 · >= 4.5.0.1 and < 4.5.0.218

Fixed in: 4.0.1.998, 4.1.0.562, 4.2.0.323, 4.2.1.287, 4.3.0.236, 4.3.1.184, 4.4.0.269, 4.5.0.218, 4.5.1.15

Safe to downgrade to: a release before 4.0.1.1

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-0762?

securecore technology: upgrade to 4.0.1.998, 4.1.0.562, 4.2.0.323, 4.2.1.287, 4.3.0.236, 4.3.1.184, 4.4.0.269, 4.5.0.218, 4.5.1.15. Exact commands for each OS are on this page.

Is CVE-2024-0762 being exploited?

CVE-2024-0762 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-0762 affect?

CVE-2024-0762 affects securecore technology. Severity is high (CVSS 7.5). Potential buffer overflow in unsafe UEFI variable handling in Phoenix SecureCore™ for select Intel platforms This issue affects: Phoenix SecureCore™ for Intel Kaby Lake: from 4.0.1.1 before 4.0.1.998; Phoenix SecureCore™ for In

How urgent is CVE-2024-0762?

Priority 45/100. High severity; Public exploit reference

Software pages

Intel vulnerabilities

Related CVEs

CVE-2024-29980 LOW 2.3 UPGRADE Improper Check for Unusual or Exceptional Conditions vulnerability in Phoenix SecureCore™ for Intel Kaby Lake,
CVE-2024-29979 LOW 2.3 UPGRADE Improper Check for Unusual or Exceptional Conditions vulnerability in Phoenix SecureCore™ for Intel Kaby Lake,
CVE-2024-1598 HIGH 7.5 UPGRADE Potential buffer overflow in unsafe UEFI variable handling in Phoenix SecureCore™ for Intel Gemini Lake.Thi
CVE-2024-12533 LOW 3.3 UPGRADE Improper Check for Unusual or Exceptional Conditions vulnerability in Phoenix SecureCore Technology 4 allows I

References

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