CVE-2026-39873

UNKNOWN 0.0

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Connecting to a malicious SMB server may lead to unexpected system termination.

Vendor	apple
Product	macos
Ecosystems	macOS iOS
Industries	Technology
Published	Jul 27, 2026

Stay Ahead of the Next One

Get instant alerts for apple macos

Be the first to know when new unknown vulnerabilities affecting apple macos are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

Affected Versions

Apple / macOS

0 < 14.8.8 0 < 15.7.8 0 < 26.6

References

NVD ↗ CVE.org ↗ EPSS Data ↗

support.apple.com: https://support.apple.com/en-us/128067 support.apple.com: https://support.apple.com/en-us/128071 support.apple.com: https://support.apple.com/en-us/128072