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Apple Operating Systems CVE-2026-43654

| EUVD-2026-29300 HIGH
Exposure of Sensitive System Information to an Unauthorized Control Sphere (CWE-497)
2026-05-11 apple GHSA-qgc2-9f9f-gp28
7.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

5
Analysis Generated
May 14, 2026 - 12:22 vuln.today
CVSS changed
May 14, 2026 - 12:22 NVD
7.5 (HIGH)
Patch available
May 11, 2026 - 22:18 EUVD
CVE Published
May 11, 2026 - 20:08 nvd
UNKNOWN (no severity yet)
CVE Published
May 11, 2026 - 20:08 nvd
HIGH 7.5

DescriptionNVD

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An app may be able to disclose kernel memory.

AnalysisAI

Kernel memory disclosure vulnerability affects all major Apple operating systems through improper memory handling. Malicious apps can read sensitive kernel memory contents remotely without authentication (CVSS 7.5, AV:N). …

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RemediationAI

Within 24 hours: Inventory all Apple devices in production (iPhones, iPads, Macs, Apple TVs, Vision Pro units, Apple Watches) and document current OS versions. Within 7 days: Deploy patches to non-critical test devices first-iOS/iPadOS 18.7.9 or 26.5, macOS Sequoia 15.7.7, Sonoma 14.8.7, or Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5-and validate application compatibility. …

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CVE-2026-43654 vulnerability details – vuln.today

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