CVE-2026-43733

Severity: high (CVSS 7.8 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 2026-08-17
Weakness: CWE-119

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6. Processing a maliciously crafted image may corrupt process memory.

Affected products

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

How to fix

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

References

https://support.apple.com/en-us/128066
https://support.apple.com/en-us/128067
https://support.apple.com/en-us/128071
https://support.apple.com/en-us/148287

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