CVE-2026-43807

critical

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious accessory may be able to cause unexpected app termination.

References

https://support.apple.com/en-us/128072

https://support.apple.com/en-us/128071

https://support.apple.com/en-us/128070

https://support.apple.com/en-us/128069

https://support.apple.com/en-us/128068

https://support.apple.com/en-us/127595

https://support.apple.com/en-us/127594

Details

Source: Mitre, NVD

Published: 2026-07-27

Updated: 2026-07-27

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical