CVE-2026-86922: Processing maliciously crafted web content may lead to arbitrary code execution in Apple Safari
Description
A type confusion vulnerability in Apple Safari was addressed by improved state management. This flaw could allow processing of maliciously crafted web content to lead to arbitrary code execution. The issue is fixed in Safari 27, iOS 27, iPadOS 27, macOS Golden Gate 27, and visionOS 27. Versions prior to 27 are affected.
Affected software
Apple
Safari
Apple
iOS and iPadOS
Apple
macOS
Apple
visionOS
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-86922 is a type confusion vulnerability in Apple Safari that could be triggered by processing maliciously crafted web content, potentially leading to arbitrary code execution. The vulnerability was mitigated by improved state management in Safari 27 and corresponding OS versions (iOS 27, iPadOS 27, macOS Golden Gate 27, visionOS 27).
Potential Impact
Successful exploitation of this vulnerability may allow an attacker to execute arbitrary code within the context of the Safari browser, potentially compromising the affected system. No known exploits in the wild have been reported.
Mitigation Recommendations
This vulnerability is fixed in Safari 27 and the corresponding OS versions iOS 27, iPadOS 27, macOS Golden Gate 27, and visionOS 27. Users and administrators should update to these versions to remediate the issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-08T16:43:41.877Z
- State
- PUBLISHED
Threat ID: 6ad6c19d2cdf04f656e4a8b9
Added to database: 10/20/2026, 01:19:25 UTC
Last enriched: 10/20/2026, 01:48:45 UTC
Last updated: 10/20/2026, 01:48:45 UTC
Views: 3
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.