CVE-2026-84519

Summary

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Mounting a disk image with maliciously crafted files may lead to unexpected system termination.

Impact & exploitability

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

Affected products we track (2)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Additional information

• NVD record
• https://support.apple.com/en-us/149034Advisory
• https://support.apple.com/en-us/149035Advisory
• https://support.apple.com/en-us/149041Advisory
• https://support.apple.com/en-us/149042Advisory
• https://support.apple.com/en-us/149043Advisory