About the security content of watchOS 9.6.3

This document describes the security content of watchOS 9.6.3.

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watchOS 9.6.3

Released September 21, 2023

Kernel

Available for: Apple Watch Series 4 and later

Impact: A local attacker may be able to elevate their privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.

Description: The issue was addressed with improved checks.

CVE-2023-41992: Bill Marczak of The Citizen Lab at The University of Toronto’s Munk School and Maddie Stone of Google’s Threat Analysis Group

Security

Available for: Apple Watch Series 4 and later

Impact: A malicious app may be able to bypass signature validation. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.

Description: A certificate validation issue was addressed.

CVE-2023-41991: Bill Marczak of The Citizen Lab at The University of Toronto’s Munk School and Maddie Stone of Google’s Threat Analysis Group

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Published Date: June 12, 2024