CVE-2026-64775

VendorappleProductmacos, iphone os, tvos, watchos, ipados, visionosDiscoveredJul 27, 2026UpdatedJul 29, 2026

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.

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CVSS v3.1

9.8 CRITICAL

EPSS

0.66%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

Related IOCs

seen in the same coverage

EPSS Trend

Aug 26, 2026 → Sep 25, 2026

▲ 0.11pp

0.56% → 0.66% over 2 tracked changes

CVSS v3.1 Detail

Attack VectorNETWORK

Attack ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

ScopeUNCHANGED

ConfidentialityHIGH

IntegrityHIGH

AvailabilityHIGH

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

Connections

7 relationships

CWE-665

source

Timeline

disclosure → media coverage

Jul 27, 2026

Disclosure — published as a CVE record.