What is CVE-2024-44242?

CVE-2024-44242 is a critical-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2024-12-12.

How severe is CVE-2024-44242?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Apple iOS And Ipados

CVE-2024-44242

The issue was addressed with improved bounds checks. This issue is fixed in iOS 18.1 and iPadOS 18.1, macOS Sequoia 15.1. An attacker may be able to cause unexpected system termination or arbitrary code execution in DCP firmware.

Vulnerability class: Buffer Overflow

Published 2024-12-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (45.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

support.apple.com/en-us/121563 (Vendor Advisory)
support.apple.com/en-us/121564

Frequently asked questions

What is CVE-2024-44242?: CVE-2024-44242 is a critical-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2024-12-12.
How severe is CVE-2024-44242?: Critical severity. CVSS v3 base score is 9.8 out of 10.