AppleCVE-2026-84534

Apple iOS and iPadOS: path traversal

CVE-2026-84534 · Published Sep 14, 2026 · updated Sep 16, 2026

Medium5.5

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

A path handling issue was addressed with improved 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, visionOS 27. Extracting a maliciously crafted archive may allow an attacker to write arbitrary files.

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
visionOS Product	< 27	27

Details and references

CVSS 3.1: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Severity from: CISA (its enrichment of the CVE record)
Weakness: CWE-22

More Apple advisories

All Apple

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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