CVE-2026-84494 Details
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, visionOS 27.2. An app may be able to cause unexpected system termination or write kernel memory.
A vulnerability allowing out-of-bounds write operations has been identified in multiple Apple products, including iOS, iPadOS, macOS Golden Gate, and visionOS. This vulnerability could lead to memory corruption, allowing an application to cause unexpected termination of system processes or manipulate kernel memory. The issue arises from inadequate bounds checking, which has now been improved in the latest software updates.
Users can update to iOS 27.2, iPadOS 27.2, macOS Golden Gate 27.2, or visionOS 27.2 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 4, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://support.apple.com/en-us/149230 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/149521 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/149526 | [email protected] | Release NotesVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-787 | Out-of-bounds Write | [email protected] |
| CWE-787 | Out-of-bounds Write | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| apple ipados | < 26.7.2 |
CPE
Remediation
| |
| apple iphone os | < 26.7.2 |
CPE
Remediation
| |
| apple macos | < 27.0 |
CPE
Remediation
| |
| apple visionos | < 27.2 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 4, 2026 | CVE Modified | CISA-ADP |
| Nov 2, 2026 | Initial Analysis | [email protected] |
| Oct 26, 2026 | New CVE Received | [email protected] |