CVE-2026-43654: An app may be able to disclose kernel memory in Apple iOS and iPadOS
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.
AI Analysis
Technical Summary
CVE-2026-43654 is a vulnerability in Apple iOS and iPadOS (also affecting other Apple OSes) where an application may disclose kernel memory due to insufficient memory handling protections. The vulnerability was addressed by Apple through improved memory handling in specific patched OS versions (iOS 18.7.9, iPadOS 18.7.9, iOS 26.5, 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). The CVSS v3.1 base score is 7.5 with vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N, indicating network attack vector, low attack complexity, no privileges or user interaction required, unchanged scope, and high confidentiality impact with no integrity or availability impact.
Potential Impact
Successful exploitation of this vulnerability could allow a malicious app to disclose kernel memory contents, potentially exposing sensitive information from the kernel space. This could aid attackers in further attacks or information gathering. There is no indication of integrity or availability impact. No known exploits are currently reported in the wild.
Mitigation Recommendations
Apple has released official fixes addressing this vulnerability in iOS 18.7.9, iPadOS 18.7.9, iOS 26.5, iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, and watchOS 26.5. Users and administrators should update affected devices to these versions or later to remediate the issue. Patch status is confirmed by the vendor advisory. No additional mitigation steps are specified.
CVE-2026-43654: An app may be able to disclose kernel memory in Apple iOS and iPadOS
Description
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.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-43654 is a vulnerability in Apple iOS and iPadOS (also affecting other Apple OSes) where an application may disclose kernel memory due to insufficient memory handling protections. The vulnerability was addressed by Apple through improved memory handling in specific patched OS versions (iOS 18.7.9, iPadOS 18.7.9, iOS 26.5, 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). The CVSS v3.1 base score is 7.5 with vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N, indicating network attack vector, low attack complexity, no privileges or user interaction required, unchanged scope, and high confidentiality impact with no integrity or availability impact.
Potential Impact
Successful exploitation of this vulnerability could allow a malicious app to disclose kernel memory contents, potentially exposing sensitive information from the kernel space. This could aid attackers in further attacks or information gathering. There is no indication of integrity or availability impact. No known exploits are currently reported in the wild.
Mitigation Recommendations
Apple has released official fixes addressing this vulnerability in iOS 18.7.9, iPadOS 18.7.9, iOS 26.5, iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, and watchOS 26.5. Users and administrators should update affected devices to these versions or later to remediate the issue. Patch status is confirmed by the vendor advisory. No additional mitigation steps are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:21.639Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a028769cbff5d86108b6de9
Added to database: 05/12/2026, 01:50:33 UTC
Last enriched: 05/19/2026, 09:23:49 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 60
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