CVE-2026-86974 Details
Description
A type confusion issue was addressed with improved checks. This issue is fixed in Safari 27.2, iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, visionOS 27.2. Processing maliciously crafted web content may lead to memory corruption.
A type confusion vulnerability has been identified in WebKit, the engine used by Safari and other Apple applications, which can lead to memory corruption. This issue is present in Safari 27.2, iOS 27.2, iPadOS 27.2, macOS Golden Gate 27.2, and visionOS 27.2. The vulnerability arises from insufficient checks when processing maliciously crafted web content, which can be exploited to corrupt memory and potentially execute arbitrary code.
Users can update to Safari 27.2, iOS 27.2, iPadOS 27.2, or macOS Golden Gate 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/149227 | [email protected] | Release NotesVendor Advisory |
| 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 |
| https://support.apple.com/en-us/149527 | [email protected] | Release NotesVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-843 | Access of Resource Using Incompatible Type ('Type Confusion') | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| apple safari | < 27.2 |
CPE
Remediation
| |
| apple ipados | < 26.7.2 >= 27.0, < 27.2 |
CPE
Remediation
| |
| apple iphone os | < 26.7.2 >= 27.0, < 27.2 |
CPE
Remediation
| |
| apple macos | >= 27.0, < 27.2 |
CPE
Remediation
| |
| apple visionos | < 27.2 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 4, 2026 | Initial Analysis | [email protected] |
| Nov 4, 2026 | CVE Modified | CISA-ADP |
| Oct 26, 2026 | New CVE Received | [email protected] |