HarborGuard / CVE
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HIGHCVE-2026-43655Published Modified CNA apple

CVE-2026-43655: An out-of-bounds read was addressed with improved bounds checking

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.

Metrics

CVSS v3.1
7.3
Severity
HIGH
Fixed in
26.5
Affected Products
4

Fix available

26.5
Affected packages
  • Apple / iOS and iPadOS
    < 26.5 (from 0)
  • Apple / macOS
    < 26.5 (from 0)
  • Apple / tvOS
    < 26.5 (from 0)
  • Apple / watchOS
    < 26.5 (from 0)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
References