CVE-2026-86903 Details
Description
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. An app may be able to disclose kernel memory.
A vulnerability allowing an out-of-bounds read has been identified, which could enable an application to disclose kernel memory. This issue affects multiple Apple operating systems, including iOS, iPadOS, macOS Golden Gate, tvOS, visionOS, and watchOS, all in version 27. The vulnerability arises from insufficient input validation, which has been addressed in the same version.
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 Sep 15, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://support.apple.com/en-us/149034 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/149035 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/149036 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/149037 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/149038 | [email protected] | Release NotesVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| apple ipados | < 27.0 |
CPE
Remediation
| |
| apple iphone os | < 27.0 |
CPE
Remediation
| |
| apple macos | < 27.0 |
CPE
Remediation
| |
| apple tvos | < 27.0 |
CPE
Remediation
| |
| apple visionos | < 27.0 |
CPE
Remediation
| |
| apple watchos | < 27.0 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 16, 2026 | Initial Analysis | [email protected] |
| Sep 15, 2026 | CVE Modified | CISA-ADP |
| Sep 14, 2026 | New CVE Received | [email protected] |