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CVE-2026-64775

CRITICAL

9.8

CVSS Severity Score

EPSS Score0.3670%

EPSS Percentile29.37th

Published2026-07-27

Last Modified2026-07-29

Data SourcesNVDFIRST.org EPSS

Vulnerability Description

A memory initialization issue was addressed with improved memory handling. 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, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.

Affected Platforms (CPE)

💻

Apple

Ipados

< 26.6

💻

Apple

Iphone Os

< 26.6

💻

Apple

Macos

>= 14.0 and < 14.8.8>= 15.0 and < 15.7.8>= 26.0 and < 26.6

💻

Apple

Tvos

< 26.6

References & Advisories

🔗 https://support.apple.com/en-us/128066

🔗 https://support.apple.com/en-us/128067

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

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

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

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

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

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