CVE-2026-43704

Summary

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. A malicious web extension may be able to cause an unexpected process crash.

Affected Software

VendorProductVersion RangeStatus
AppleSafari0 < 26.5.2affected
AppleiOS and iPadOS0 < 26.5.2affected
ApplemacOS0 < 26.5.2affected

Weaknesses

  • A malicious web extension may be able to cause an unexpected process crash

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References