CVE-2026-64782 Apple CVE debrief

Who should care

Defenders responsible for Apple products and Safari browsers should assess exposure and apply patches. Defenders should prioritize verifying and applying patches for affected Apple products, particularly those exposed to untrusted web content, to prevent potential crashes. The vulnerability affects Apple products, particularly those exposed to untrusted web content. Defenders should review and update inventory of Apple devices and Safari browsers.

Why it matters

Defenders should prioritize verifying and applying patches for affected Apple products, particularly those exposed to untrusted web content, to prevent potential crashes.

• Verify and apply patches to prevent potential crashes
• Monitor for unexpected Safari crashes
• Review and update inventory of Apple devices and Safari browsers

Technical summary

A memory corruption vulnerability was addressed with improved locking. 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. The vulnerability affects Apple products, particularly those exposed to untrusted web content. Defenders should assess exposure and apply patches to prevent potential crashes. The issue is caused by a memory corruption vulnerability, which can be triggered by processing maliciously crafted web content. The vulnerability can be addressed by verifying and applying patches for affected Apple products.

Defensive priority

Defenders should prioritize verifying and applying patches for affected Apple products, particularly those exposed to untrusted web content.

Recommended defensive actions

• Verify and apply patches for affected Apple products
• Review and update inventory of Apple devices and Safari browsers
• Monitor for unexpected Safari crashes
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed

Evidence notes

The CVE record and NVD entry provide details on the vulnerability and affected products. Apple has released patches for the issue. The vulnerability is addressed 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. Defenders should verify and apply patches for affected Apple products, particularly those exposed to untrusted web content. The patches are available in the official Apple releases.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.