CVE-2026-28946

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5, macOS Tahoe 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://support.apple.com/en-us/127115	Release Notes Vendor Advisory
https://support.apple.com/en-us/127121
https://access.redhat.com/errata/RHSA-2026:25918
https://access.redhat.com/errata/RHSA-2026:25927
https://access.redhat.com/errata/RHSA-2026:27728
https://access.redhat.com/errata/RHSA-2026:27785
https://access.redhat.com/errata/RHSA-2026:27804
https://access.redhat.com/errata/RHSA-2026:28114
https://access.redhat.com/errata/RHSA-2026:28146
https://access.redhat.com/errata/RHSA-2026:28147
https://access.redhat.com/errata/RHSA-2026:28148
https://access.redhat.com/security/cve/CVE-2026-28946
https://bugzilla.redhat.com/show_bug.cgi?id=2471790
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28946.json

Configurations

Configuration 1 (hide)

cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

History

26 Oct 2026, 18:10

Type	Values Removed	Values Added
Summary		(es) Un problema de uso después de liberación se abordó con una gestión de memoria mejorada. Este problema está solucionado en macOS Tahoe 26.5. El procesamiento de contenido web creado con fines maliciosos puede provocar un cierre inesperado de Safari.

Information

Published : 2026-05-11 21:18

Updated : 2026-10-26 18:10

NVD link : CVE-2026-28946

Mitre link : CVE-2026-28946

CVE.ORG link : CVE-2026-28946

JSON object : View

Products Affected

apple

macos

CWE

CWE-416

Use After Free

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"2026-05-11T21:18:55.740", "references": [{"url": "https://support.apple.com/en-us/127115", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/127121", "source": "product-security@apple.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:25918", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:25927", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27728", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27785", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:27804", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:28114", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:28146", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:28147", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:28148", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-28946", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2471790", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28946.json", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-416"}]}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5, macOS Tahoe 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash."}, {"lang": "es", "value": "Un problema de uso despu\u00e9s de liberaci\u00f3n se abord\u00f3 con una gesti\u00f3n de memoria mejorada. Este problema est\u00e1 solucionado en macOS Tahoe 26.5. El procesamiento de contenido web creado con fines maliciosos puede provocar un cierre inesperado de Safari."}], "lastModified": "2026-10-26T18:10:00.173", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6CB91417-90A8-4A9B-A1D0-1D94B80EF837", "versionEndExcluding": "26.5", "versionStartIncluding": "26.0"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@apple.com"}