AppleCVE-2026-64788

Apple iOS and iPadOS: memory corruption

CVE-2026-64788 · Published Aug 17, 2026 · updated Sep 14, 2026

Medium5.4

Fix: upgrade to 26.6.1 or later (3 fixed versions below)

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to memory corruption.

Affected versions

Package	Affected	Fixed in
iOS and iPadOS Product	< 26.6.1	26.6.1
macOS Product	< 26.6.2	26.6.2
visionOS Product	< 27	27
watchOS 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:L/A:N
Severity from: CISA (its enrichment of the CVE record)
Weakness: CWE-119

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