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CVE-2026-86922

A type confusion issue was addressed with improved state management. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27. Processing maliciously crafted web conte

Apple SafariApplications & CMS
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.25%Chance of exploitation activity in the next 30 days, higher than 15% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in27Fixed versionCVE List
Published20 Oct 2026Updated 21 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

A type confusion issue was addressed with improved state management. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27. Processing maliciously crafted web content may lead to arbitrary code execution.

Text from CVE List

Affected versions 4

  • Safariaffected: all versions before 27CVE List
  • iOS and iPadOSaffected: all versions before 27CVE List
  • macOSaffected: all versions before 27CVE List
  • visionOSaffected: all versions before 27CVE List

References 4