CVE-2026-28991

Summary

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.8.2, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An app may be able to cause a denial-of-service.

Impact & exploitability

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products we track (2)

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Additional information

• NVD record
• https://support.apple.com/en-us/127110Advisory
• https://support.apple.com/en-us/127115Advisory
• https://support.apple.com/en-us/127118Advisory
• https://support.apple.com/en-us/127119Advisory
• https://support.apple.com/en-us/127120Advisory
• https://support.apple.com/en-us/149523