Cyber Resilience

CVE-2024-40776

Medium

Published: 29 July 2024

Published
29 July 2024
Modified
02 April 2026
KEV Added
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Patch
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CVSS Score v3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
EPSS Score 0.0051 67.0th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-40776 is a medium-severity Use After Free (CWE-416) vulnerability in Apple Iphone Os. Its CVSS base score is 4.3 (Medium).

Operationally, ranked in the top 33.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 17.6, iOS 16.7.9 and iPadOS 16.7.9, iOS 17.6 and iPadOS 17.6, macOS Sonoma 14.6, tvOS 17.6, visionOS 1.3, watchOS 10.6. Processing maliciously crafted web content…

more

may lead to an unexpected process crash.

CWE(s)
CWE-416

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

apple
iphone os
≤ 16.7.9 · 17.0 — 17.6
apple
ipados
≤ 16.7.9 · 17.0 — 17.6
apple
macos
≤ 14.6
apple
safari
≤ 17.6
apple
watchos
≤ 10.6
apple
tvos
≤ 17.6
apple
visionos
≤ 1.3

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-16 Memory Protection
addresses: CWE-416

Use-after-free exploits that achieve arbitrary code execution are blocked or significantly hardened by non-executable pages and ASLR.

References