AppleCVE-2026-84532

Apple iOS and iPadOS: out-of-bounds read

CVE-2026-84532 · Published Sep 14, 2026 · updated Sep 18, 2026

Medium5.4

Fix: upgrade to 26.7 or later (3 fixed versions below)

An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27. Opening a maliciously crafted file may cause unexpected process termination or disclose process memory.

Affected versions

Package	Affected	Fixed in
iOS and iPadOS Product	< 26.7	26.7
	< 27	27
macOS Product	< 15.8	15.8
	< 26.7	26.7
	< 27	27
tvOS Product	< 27	27
visionOS Product	< 27	27

Details and references

CVSS 3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
Severity from: CISA (its enrichment of the CVE record)
Weakness: CWE-125

More Apple advisories

All Apple

Medium 5.5Sep 14

Apple macOS: path traversalCVE-2026-86902fixed in 14.8.8 +1 Medium 5.5Sep 14

Apple iOS and iPadOS: out-of-bounds readCVE-2026-86903fixed in 27 +2 High 7.5Sep 14

A privacy issue was addressed with improved state managementCVE-2026-86904fixed in 26.7 +2 Medium 5.5Sep 14

Apple iOS and iPadOS: improper access controlCVE-2026-86905fixed in 27 +2 Medium 4.4Sep 14

Apple macOS: protection mechanism failureCVE-2026-86909fixed in 27 Medium 5.5Sep 14

Apple macOS: path traversalCVE-2026-86910fixed in 15.8 +2