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Tvos CVE-2026-64775

| EUVDEUVD-2026-49610 CRITICAL
Improper Initialization (CWE-665)
2026-07-27 apple GHSA-cfqr-48qp-fhhv
Information Disclosure Apple Tvos Visionos Watchos Ios And Ipados
9.8
CVSS 3.1 · Vendor: apple
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Severity by source

Vendor (apple) PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (apple) · only source for this CVE.

CVSS VectorVendor: apple

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

5
Analysis Generated
Jul 28, 2026 - 17:24 vuln.today
CVSS changed
Jul 28, 2026 - 17:22 NVD
9.8 (CRITICAL)
Patch available
Jul 27, 2026 - 21:17 EUVD
CVE Published
Jul 27, 2026 - 20:11 cve.org
UNKNOWN (no severity yet)
CVE Published
Jul 27, 2026 - 20:11 cve.org
CRITICAL 9.8

DescriptionCVE.org

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.

AnalysisAI

Unexpected system termination due to memory initialization flaw in Apple iOS, iPadOS, macOS, tvOS, watchOS, and visionOS allows a malicious application to forcibly crash the device. All versions prior to the listed fixed releases are affected. No active exploitation or publicly available exploit code was identified at time of analysis; EPSS indicates a low (0.16%) probability of exploitation.

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CVE-2026-64775 vulnerability details – vuln.today
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