An out-of-bounds write issue was addressed with improved bounds checking.

Summary

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination or write kernel memory.

Remediation

1. Inventory every Apple macOS deployment, including staging.
2. Upgrade Apple macOS to the fixed version for your release line, listed under Affected versions.
3. Confirm the running version after the upgrade.

References

• Referencehttps://support.apple.com/en-us/149522
• Referencehttps://support.apple.com/en-us/149523