CVE-2026-43753

Severity: medium (CVSS 4.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-27 · updated 2026-07-28
Weakness: CWE-125

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An attacker with physical access to a locked device may be able to view sensitive user information.

Affected products

Apple iPadOS: before 26.6 — fixed in 26.6
Apple Iphone Os: before 26.6 — fixed in 26.6
Apple macOS: from 14.0 before 14.8.8; from 15.0 before 15.7.8; from 26.0 before 26.6 — fixed in 14.8.8, 15.7.8, 26.6

How to fix

Upgrade to a fixed version: Apple iPadOS 26.6; Apple Iphone Os 26.6; Apple macOS 14.8.8, 15.7.8, 26.6. Check the vendor advisory for mitigations.

References

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