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 Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A malicious Screen Sharing peer may be able to corrupt process 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/149521
• Referencehttps://support.apple.com/en-us/149522
• Referencehttps://support.apple.com/en-us/149523