CVE-2026-28936 Apple CVE debrief

Who should care

This vulnerability affects multiple Apple products and could potentially impact users who process malicious files. Users of affected systems should apply the provided patches to mitigate the risk. The vulnerability has a high CVSS score of 7.5, indicating a high severity level. Operators, platform administrators, vulnerability management teams, and security teams should be aware of this vulnerability and take necessary actions to mitigate the risk.

Technical summary

The vulnerability, addressed with improved checks, could lead to unexpected app termination when processing a maliciously crafted file. This issue was fixed in multiple Apple operating systems and versions, including iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.8, macOS Sonoma 14.8.7, macOS Sonoma 14.8.8, macOS Tahoe 26.5, and visionOS 26.5. The CVSS score for this vulnerability is 7.5, indicating a high severity level. The vulnerability affects multiple Apple products and could potentially impact users who process malicious files.

Defensive priority

High priority should be given to applying patches for this vulnerability, especially in environments where file processing from untrusted sources is common. Additional monitoring and compensating controls should be implemented to mitigate the risk.

Recommended defensive actions

• Apply the latest security updates for affected Apple products.
• Implement additional monitoring for suspicious file processing activities.
• Restrict file processing from untrusted sources.
• 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 was published on 2026-05-11T21:18:55.123Z and was last modified on 2026-07-27T21:16:49.950Z. The NVD entry is currently Modified. This information is based on the NVD entry and the CVE record. The vulnerability affects multiple Apple products, including iOS, iPadOS, macOS Sequoia, macOS Sonoma, macOS Tahoe, and visionOS. The issue could cause unexpected app termination when processing a maliciously crafted file. Users of affected systems should apply the provided patches to mitigate the risk. The CVSS score for this vulnerability is 7.5, indicating a high severity level.

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.