Vulnerability intelligence
CVE-2026-28900
Apple macOS
A file quarantine bypass was addressed with additional checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5. A maliciously crafted ZIP archive may bypass Gatekeeper checks.
CVSS Score
5.5
Medium
EPSS — Exploit Probability
0.2%
Riskier than 6% of all CVEs · checked 2026-09-11
Exploitation
Not in CISA KEV
KEV does not include every exploited vulnerability
Remediation
unknown
Check vendor advisories
1 article across 1 outlet · first covered Jul 29, 2026 · latest Jul 29, 2026
Coverage timeline
-
Apple patches 187 flaws in macOS 14, 15 ahead of iOS 27 launchisc.sans.edu · Jul 29, 2026