CVE-2026-28900 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Apple	Macos

No data.

No data.

References

Link	Providers
https://support.apple.com/en-us/128071
https://support.apple.com/en-us/128072

History

Tue, 28 Jul 2026 16:15:00 +0000

Type	Values Removed	Values Added
Title		File Quarantine Bypass via Malicious ZIP in macOS Gatekeeper
Weaknesses		CWE-284 CWE-290 CWE-693
Metrics		cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 28 Jul 2026 01:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Apple Apple macos
Vendors & Products		Apple Apple macos

Mon, 27 Jul 2026 20:30:00 +0000

Type	Values Removed	Values Added
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. A maliciously crafted ZIP archive may bypass Gatekeeper checks.
References		https://support.apple.com/en-us/128071 https://support.apple.com/en-us/128072

MITRE

Status: PUBLISHED

Assigner: apple

Published: 2026-07-27T20:14:34.090Z

Updated: 2026-07-28T15:20:26.865Z

Reserved: 2026-03-03T16:36:03.983Z

Link: CVE-2026-28900

Vulnrichment

Updated: 2026-07-28T15:20:22.596Z

NVD

No data.

Redhat

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-28900", "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "state": "PUBLISHED", "assignerShortName": "apple", "dateReserved": "2026-03-03T16:36:03.983Z", "datePublished": "2026-07-27T20:14:34.090Z", "dateUpdated": "2026-07-28T15:20:26.865Z"}, "containers": {"cna": {"problemTypes": [{"descriptions": [{"lang": "en", "description": "A maliciously crafted ZIP archive may bypass Gatekeeper checks"}]}], "affected": [{"vendor": "Apple", "product": "macOS", "versions": [{"version": "0", "status": "affected", "lessThan": "14.8.8", "versionType": "custom"}, {"version": "0", "status": "affected", "lessThan": "15.7.8", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "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."}], "references": [{"url": "https://support.apple.com/en-us/128071"}, {"url": "https://support.apple.com/en-us/128072"}], "providerMetadata": {"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "shortName": "apple", "dateUpdated": "2026-07-27T20:14:34.090Z"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-290", "lang": "en", "description": "CWE-290 Authentication Bypass by Spoofing"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-693", "lang": "en", "description": "CWE-693 Protection Mechanism Failure"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-07-28T15:19:26.018471Z", "id": "CVE-2026-28900", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-28T15:20:26.865Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-28900", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-28T15:19:26.018471Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-290", "description": "CWE-290 Authentication Bypass by Spoofing"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-693", "description": "CWE-693 Protection Mechanism Failure"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-28T15:20:22.596Z"}}], "cna": {"affected": [{"vendor": "Apple", "product": "macOS", "versions": [{"status": "affected", "version": "0", "lessThan": "14.8.8", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "15.7.8", "versionType": "custom"}]}], "references": [{"url": "https://support.apple.com/en-us/128071"}, {"url": "https://support.apple.com/en-us/128072"}], "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "A maliciously crafted ZIP archive may bypass Gatekeeper checks"}]}], "providerMetadata": {"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "shortName": "apple", "dateUpdated": "2026-07-27T20:14:34.090Z"}}}, "cveMetadata": {"cveId": "CVE-2026-28900", "state": "PUBLISHED", "dateUpdated": "2026-07-28T15:20:26.865Z", "dateReserved": "2026-03-03T16:36:03.983Z", "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "datePublished": "2026-07-27T20:14:34.090Z", "assignerShortName": "apple"}, "dataVersion": "5.2"}