What’s Vulnerable › Vulnerabilities

CVE-2026-86872

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-20 · updated 2026-10-26
• Weakness: CWE-843

Description

A logic issue was addressed with improved state management. This issue is fixed in Safari 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to unexpected behavior.

Affected products

• Apple Safari: before 27 — fixed in 27
• Apple visionOS: before 27 — fixed in 27
• Apple watchOS: before 27 — fixed in 27

How to fix

Upgrade to a fixed version: Apple Safari 27; Apple visionOS 27; Apple watchOS 27. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/149037
• https://support.apple.com/en-us/149038
• https://support.apple.com/en-us/149039

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