CVE-2026-43795 Apple CVE debrief

Who should care

Defenders responsible for Apple products, particularly those managing Safari, iOS, iPadOS, macOS, and visionOS deployments, should assess exposure and apply patches to prevent potential crashes. This includes IT and security teams managing Apple devices within their organizations. They should verify their inventory of Apple products for exposure, apply available patches, and monitor for potential crashes when processing web content.

Why it matters

Defenders should prioritize verifying exposure in their inventory of Apple products and applying patches to prevent potential crashes when processing maliciously crafted web content.

• Potential crashes when processing maliciously crafted web content
• Verification of exposure in Apple product inventory
• Patching affected products to prevent crashes
• Monitoring for crashes when processing web content

Technical summary

The issue was addressed with improved memory handling. 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 is related to improved memory handling, which suggests that the affected products may have had a weakness in how they handle memory, potentially allowing malicious web content to cause a crash. The affected products include Safari, iOS, iPadOS, macOS, and visionOS.

Defensive priority

Defenders should prioritize verifying exposure in their inventory of Apple products and applying the available patches to prevent potential crashes.

Recommended defensive actions

• Verify inventory of Apple products for exposure
• Apply available patches for affected products
• Monitor for potential crashes when processing web content
• Review compensating controls for exposed systems while remediation is scheduled and verified
• 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

Evidence notes

The CVE record and NVD entry provide details on the issue, its impact, and the affected products. Apple has released patches for the affected products. The issue was addressed with improved memory handling. 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 CVE record was published on 2026-08-17T22:17:11.560Z and has not been modified since then.

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.