CVE-2026-84543

Summary

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious SMB server may cause unexpected system termination or corrupt kernel memory.

Affected Software

VendorProductVersion RangeStatus
ApplemacOS0 < 15.8affected
ApplemacOS0 < 26.7affected
ApplemacOS0 < 27affected

Weaknesses

  • Connecting to a malicious SMB server may cause unexpected system termination or corrupt kernel memory

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References