CVE-2026-20664

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. Processing maliciously crafted web content may lead to an unexpected process crash.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://support.apple.com/en-us/126792	Release Notes Vendor Advisory
https://support.apple.com/en-us/126794	Release Notes Vendor Advisory
https://support.apple.com/en-us/126799	Release Notes Vendor Advisory
https://support.apple.com/en-us/126800	Release Notes Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apple:safari::::::::
	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:visionos::::::::

History

No history.

Information

Published : 2026-03-25 01:17

Updated : 2026-03-25 20:53

NVD link : CVE-2026-20664

Mitre link : CVE-2026-20664

CVE.ORG link : CVE-2026-20664

JSON object : View

Products Affected

apple

macos
ipados
safari
visionos
iphone_os

CWE

CWE-787

Out-of-bounds Write

{"id": "CVE-2026-20664", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "published": "2026-03-25T01:17:04.947", "references": [{"url": "https://support.apple.com/en-us/126792", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/126794", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/126799", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/126800", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. Processing maliciously crafted web content may lead to an unexpected process crash."}, {"lang": "es", "value": "El problema se abord\u00f3 con un manejo de memoria mejorado. Este problema est\u00e1 solucionado en Safari 26.4, iOS 26.4 y iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. El procesamiento de contenido web dise\u00f1ado maliciosamente puede provocar una ca\u00edda inesperada del proceso."}], "lastModified": "2026-03-25T20:53:38.090", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "993386B4-0570-414F-B4A6-3E65F5704903", "versionEndExcluding": "26.4"}, {"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F813DB63-2B55-4E0B-9073-5465C65F69D6", "versionEndExcluding": "26.4"}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "01612D13-BE5B-43F8-B53E-5BF57F2A5B0C", "versionEndExcluding": "26.4"}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6CF848CD-25D4-4371-BEF3-1ACCE47AD81F", "versionEndExcluding": "26.4", "versionStartIncluding": "26.0"}, {"criteria": "cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "113B9705-BFF0-4357-B1AB-F57052F32361", "versionEndExcluding": "26.4"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@apple.com"}