CVE-2024-54507

CRITICALPre-NVD 9.15.5▼Elevated

9.1

A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 18.2 and iPadOS 18.2, macOS Sequoia 15.2. An attacker with user privileges may be able to read kernel memory.

CVSS v3: 9.1
EG Score: 5.5(medium)
EPSS: 31.6%
KEV: Not listed

Published

January 27, 2025

Last Modified

June 3, 2026

Advisory Details (2)

Auto-updated Jun 3, 2026

No patch confirmed yet.

generic

About the security content of macOS Sequoia 15.2 - Apple Support

https://support.apple.com/en-us/121839

generic

About the security content of iOS18.2 and iPadOS18.2 - Apple Support

https://support.apple.com/en-us/121837

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
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2026-05-31 22:30 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
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2026-05-27 13:40 UTCepss_batch
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2026-05-26 07:18 UTCepss_batch
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCjprx/CVE-2024-54507
First seen Jan 23, 2025
An integer type confusion in XNU
Open source ↗

Frequently asked(5)

What is CVE-2024-54507?

CVE-2024-54507 is a critical vulnerability published on January 27, 2025. A type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 18.2 and iPadOS 18.2, macOS Sequoia 15.2. An attacker with user privileges may be able to read kernel memory.

When was CVE-2024-54507 disclosed?

CVE-2024-54507 was first published in the National Vulnerability Database on January 27, 2025, with the most recent update on June 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-54507 actively exploited?

CVE-2024-54507 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 31.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-54507?

CVE-2024-54507 has a CVSS v3 base score of 9.1 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 5.5.

How do I remediate CVE-2024-54507?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-54507, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-54507

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CVE-2024-54507

📅 Published

🔄 Last Modified

📋 Advisory Details (2)