CVE-2026-43747 — Vulnetix

CVE-2026-43747 PUBLISHED CVSS 7.1 HIGH

Reported by apple · Published July 27, 2026

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Parsing a maliciously crafted file may lead to an unexpected app termination.

Risk Scores

CVSS 3.1

7.1

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Affected Products

Vendor	Product	Versions
Apple	macOS	0, 0, 0
Apple	macOS	0, 0, 0

Timeline

Jul 27, 2026 CVE Published
Jul 28, 2026 Coalition ESS Score
Jul 28, 2026 Security Advisory

References

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