CVE-2026-28983 Apple CVE debrief

Who should care

Organizations and individuals using Apple products, specifically iOS, iPadOS, macOS, tvOS, visionOS, and watchOS, should apply the provided patches to prevent potential denial-of-service attacks. This includes reviewing their deployments, applying patches, and monitoring for suspicious activity.

Technical summary

The CVE-2026-28983 vulnerability is a type confusion issue that was addressed with improved checks. It affects multiple Apple products, including iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. The vulnerability can be exploited by a remote attacker to cause a denial of service. Apple has released patches for the affected products, which should be applied to prevent potential exploitation. The vulnerability has a CVSS score of 7.5 and a severity of HIGH.

Defensive priority

High

Recommended defensive actions

• Apply patches for affected Apple products
• Inventory and update vulnerable systems
• Monitor for suspicious activity
• 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 detail provide information on the vulnerability and affected products. Apple has released patches for the affected products, which should be applied to prevent potential exploitation. The vulnerability has a CVSS score of 7.5 and a severity of HIGH. The CVE record was published on 2026-05-11T21:18:58.423Z and has not been modified since then. The NVD entry is currently Modified.

Official resources