Medium severity5.5NVD Advisory· Published Jul 27, 2026· Updated Aug 25, 2026
CVE-2026-28900
CVE-2026-28900
Description
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.
Affected products
3- Range: 14.8.8
- Range: 15.7.8
Patches
Vulnerability mechanics
References
3- support.apple.com/en-us/128071nvdRelease NotesVendor Advisory
- support.apple.com/en-us/128072nvdRelease NotesVendor Advisory
- support.apple.com/en-us/127115nvd
News mentions
3- Apple Patches Everything (July 2026), (Wed, Jul 29th)SANS Internet Storm Center · Jul 29, 2026
- Apple Releases 25 macOS Security Patches, Including CUPS Privilege Escalation FlawVypr Intelligence · Jul 27, 2026
- Apple Patches 25 macOS Vulnerabilities in Single July 2026 DisclosureVypr Intelligence · Jul 27, 2026