CVE-2026-84634 Details
Description
A race condition was addressed with additional validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27. An app may be able to cause unexpected system termination or write kernel memory.
A race condition vulnerability has been identified in the Apple Neural Engine component, available on various devices including iPhone 11 and later, several iPad models, and Apple Vision Pro. This vulnerability could allow an application to cause unexpected system termination or write to kernel memory. The issue has been addressed with additional validation to prevent such exploitation.
Users can update to iOS 27, iPadOS 27, macOS Golden Gate 27, or visionOS 27 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 Nov 3, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://support.apple.com/en-us/149034 | [email protected] | Vendor Advisory |
| https://support.apple.com/en-us/149035 | [email protected] | Vendor Advisory |
| https://support.apple.com/en-us/149038 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-362 | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | [email protected] |
| CWE-362 | Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') | 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 visionos | < 27.0 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 3, 2026 | CVE Modified | CISA-ADP |
| Nov 2, 2026 | Initial Analysis | [email protected] |
| Oct 26, 2026 | New CVE Received | [email protected] |