CVE-2026-43655

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5. An app may be able to cause unexpected system termination or read kernel memory.

CVSS 3.1

7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS

0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-10-26)

CWE

CWE-125

Published

2026-05-11

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

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

References

• https://support.apple.com/en-us/127110
• https://support.apple.com/en-us/127115
• https://support.apple.com/en-us/127118
• https://support.apple.com/en-us/127119

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