CVE-2026-43654 Details
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.
A vulnerability exists that allows an application to disclose kernel memory. This issue is present in multiple Apple operating systems, including 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. The vulnerability arises from improper memory handling, which could potentially be exploited by applications to access sensitive kernel data.
Users can update to the latest versions of iOS, iPadOS, macOS, tvOS, visionOS, and watchOS to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 14, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://support.apple.com/en-us/127110 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/127111 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/127115 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/127116 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/127117 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/127118 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/127119 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/127120 | [email protected] | Release NotesVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-497 | Exposure of Sensitive System Information to an Unauthorized Control Sphere | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| apple ipados | < 18.7.9 >= 26.0, < 26.5 |
CPE
Remediation
| |
| apple iphone os | < 18.7.9 >= 26.0, < 26.5 |
CPE
Remediation
| |
| apple macos | >= 14.0, < 14.8.7 >= 15.0, < 15.7.7 >= 26.0, < 26.5 |
CPE
Remediation
| |
| apple tvos | < 26.5 |
CPE
Remediation
| |
| apple visionos | < 26.5 |
CPE
Remediation
| |
| apple watchos | < 26.5 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 14, 2026 | Initial Analysis | [email protected] |
| May 14, 2026 | CVE Modified | CISA-ADP |
| May 11, 2026 | New CVE Received | [email protected] |