CVE-2026-43655

HIGH

iOS and iPadOS < 26.5 - Out-of-bounds Read

Title source: llm
STIX 2.1

Description

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.

Scores

CVSS v3 7.3
EPSS 0.0005
EPSS Percentile 17.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-125
Status published
Products (9)
Apple/iOS and iPadOS < 26.5
apple/ipados < 26.5
apple/iphone_os < 26.5
Apple/macOS < 26.5
apple/macos 26.0 - 26.5
Apple/tvOS < 26.5
apple/tvos < 26.5
Apple/watchOS < 26.5
apple/watchos < 26.5
Published May 11, 2026
Tracked Since May 12, 2026