CVE-2025-43520

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. A malicious application may be able to cause unexpected system termination or write kernel memory.

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-10-25)

CISA KEV

listed 2026-03-20, due 2026-04-03

CWE

CWE-120

Published

2025-12-12

Modified

2026-10-07

Record from

the NVD, synced 2026-10-19

Affected

• apple:ipados
• apple:iphone_os
• apple:macos
• apple:tvos
• apple:visionos
• apple:watchos

References

• https://support.apple.com/en-us/125632
• https://support.apple.com/en-us/125633
• https://support.apple.com/en-us/125634
• https://support.apple.com/en-us/125635
• https://support.apple.com/en-us/125636

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