What’s Vulnerable › Vulnerabilities

CVE-2026-64784

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-17 · updated 2026-10-26
• Weakness: CWE-125

Description

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Affected products

• Apple iPadOS: before 18.7.10; from 26.0 before 26.6.1 — fixed in 18.7.10, 26.6.1
• Apple Iphone Os: before 18.7.10; from 26.0 before 26.6.1 — fixed in 18.7.10, 26.6.1
• Apple macOS: from 26.0 before 26.6.2 — fixed in 26.6.2
• Apple Safari: before 26.6.1 — fixed in 26.6.1
• Apple iOS and iPadOS: before 18.7.10; before 26.6.1 — fixed in 18.7.10, 26.6.1
• Apple macOS: before 26.6.2 — fixed in 26.6.2
• Apple Safari: before 26.6.1 — fixed in 26.6.1
• Apple visionOS: before 27 — fixed in 27

How to fix

Upgrade to a fixed version: Apple iPadOS 18.7.10, 26.6.1; Apple Iphone Os 18.7.10, 26.6.1; Apple macOS 26.6.2; Apple Safari 26.6.1; Apple iOS and iPadOS 18.7.10, 26.6.1; Apple macOS 26.6.2; Apple Safari 26.6.1; Apple visionOS 27. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/148281
• https://support.apple.com/en-us/148282
• https://support.apple.com/en-us/148286
• https://support.apple.com/en-us/148287
• https://support.apple.com/en-us/149038

Get alerted when CVE-2026-64784 or the next vulnerability affects your stack