Vulnerability in Apple iOS and iPadOS

[ Why it matters ]Priority signals

• Critical severity: CVSS 10.0

[ Description ]Official description

This issue was addressed with improved input validation. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, visionOS 27.2. A remote attacker may be able to break out of the WebContent sandbox.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• NCSC-NL27 Oct 2026NCSC-2026-0456

  Vulnerabilities fixed in Apple iOS and iPadOS Translated from Dutch

  Probability/damage M/HCVE-2019-5598CVE-2022-26704CVE-2026-28864+177 more CVEs
• NCSC-NL27 Oct 2026NCSC-2026-0455

  Vulnerabilities fixed in Apple MacOS Translated from Dutch

  Probability/damage M/HCVE-2022-26704CVE-2026-20648CVE-2026-20649+296 more CVEs
• CERT-FR27 Oct 2026CERTFR-2026-AVI-1387

  Multiple vulnerabilities in Apple products Translated from French

  Multiple vulnerabilities have been discovered in Apple products. Some of them allow an attacker to cause arbitrary code execution, privilege escalation and a breach of data confidentiality. Apple reports that…

  CVE-2026-112483CVE-2026-112566CVE-2026-84539+326 more CVEs
• BSI CERT-Bund26 Oct 2026WID-SEC-2026-4165

  Apple iOS, iPadOS, macOS and Safari: Multiple vulnerabilities Translated from German

  CVE-2026-112442CVE-2026-112684CVE-2026-112563+325 more CVEs

[ References ]References

• support.apple.com/en-us/149227Vendor Advisory
• support.apple.com/en-us/149230Vendor Advisory
• support.apple.com/en-us/149521Vendor Advisory
• support.apple.com/en-us/149522Vendor Advisory
• support.apple.com/en-us/149523Vendor Advisory
• support.apple.com/en-us/149526Vendor Advisory