CVE-2026-84536

Description

An integer underflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious SMB server may lead to unexpected system termination.

References

• https://support.apple.com/en-us/149035
• https://support.apple.com/en-us/149042
• https://support.apple.com/en-us/149043