CVE-2026-28900 — Vulnetix

CVE-2026-28900 PUBLISHED CVSS 5.5 MEDIUM

Reported by apple · Published July 27, 2026

A file quarantine bypass was addressed with additional checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. A maliciously crafted ZIP archive may bypass Gatekeeper checks.

Risk Scores

CVSS 3.1

5.5

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

Affected Products

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

Timeline

Jul 27, 2026 CVE Published
Jul 28, 2026 Security Advisory
Jul 29, 2026 Coalition ESS Score
Jul 29, 2026 CVE Updated

References

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