CVE-2026-64733
A critical flaw in Apple’s operating systems lets apps fingerprint users by accessing sensitive data. Apple has addressed the issue in version 26.6 of iOS, iPadOS, macOS Tahoe, tvOS, visionOS, and watchOS. Users should update to the latest OS to protect their privacy.
An official fix is available, so this entry is kept for 30 days and then removed automatically.
Who is affected
Apple devices running iOS, iPadOS, macOS Tahoe, tvOS, visionOS, or watchOS versions older than 26.6.
Real-world impact
An attacker could uniquely identify a user by fingerprinting, enabling targeted attacks or privacy violations.
Why this severity
The CVSS score of 9.8 reflects that the flaw requires no authentication, no user interaction, and grants full confidentiality, integrity, and availability impact, making it a critical risk.
What to do about it
- 01Update your device to the latest OS version (iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, or watchOS 26.6).
NVD-referenced vendor advisory
Timeline
- Jul 27, 2026 · 3d agoPublishedDisclosed and added to the National Vulnerability Database.
- Jul 28, 2026 · 2d agoOfficial fix availableA vendor patch or mitigation now exists — see the remediation steps above.
How it’s attacked
References & advisories
- support.apple.com/en-us/128066release notesvendor advisory
- support.apple.com/en-us/128067release notesvendor advisory
- support.apple.com/en-us/128068release notesvendor advisory
- support.apple.com/en-us/128069release notesvendor advisory
- support.apple.com/en-us/128070release notesvendor advisory