CVE-2026-43700

A cross-origin issue was addressed with improved tracking of security origins. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may disclose sensitive user information.

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 HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://support.apple.com/en-us/127594	Vendor Advisory
https://support.apple.com/en-us/127595	Vendor Advisory
https://support.apple.com/en-us/127685	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::::::::

History

30 Jun 2026, 18:24

Type	Values Removed	Values Added
CPE		cpe:2.3:o:apple:ipados:::::::: cpe:2.3:a:apple:safari:::::::: cpe:2.3:o:apple:macos:::::::: cpe:2.3:o:apple:iphone_os::::::::
References	~~() https://support.apple.com/en-us/127594 -~~	() https://support.apple.com/en-us/127594 - Vendor Advisory
References	~~() https://support.apple.com/en-us/127595 -~~	() https://support.apple.com/en-us/127595 - Vendor Advisory
References	~~() https://support.apple.com/en-us/127685 -~~	() https://support.apple.com/en-us/127685 - Vendor Advisory
First Time		Apple macos Apple Apple ipados Apple safari Apple iphone Os

29 Jun 2026, 22:16

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.5
CWE		CWE-346

29 Jun 2026, 20:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-29 20:17

Updated : 2026-06-30 18:24

NVD link : CVE-2026-43700

Mitre link : CVE-2026-43700

CVE.ORG link : CVE-2026-43700

JSON object : View

Products Affected

apple

ipados
safari
macos
iphone_os

CWE

CWE-346

Origin Validation Error

{"id": "CVE-2026-43700", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43700", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-29T21:36:27.200052Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "affected": [{"source": "product-security@apple.com", "affectedData": [{"vendor": "Apple", "product": "Safari", "versions": [{"status": "affected", "version": "0", "lessThan": "26.5.2", "versionType": "custom"}]}, {"vendor": "Apple", "product": "iOS and iPadOS", "versions": [{"status": "affected", "version": "0", "lessThan": "26.5.2", "versionType": "custom"}]}, {"vendor": "Apple", "product": "macOS", "versions": [{"status": "affected", "version": "0", "lessThan": "26.5.2", "versionType": "custom"}]}]}], "published": "2026-06-29T20:17:35.080", "references": [{"url": "https://support.apple.com/en-us/127594", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/127595", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/127685", "tags": ["Vendor Advisory"], "source": "product-security@apple.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-346"}]}], "descriptions": [{"lang": "en", "value": "A cross-origin issue was addressed with improved tracking of security origins. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may disclose sensitive user information."}], "lastModified": "2026-06-30T18:24:13.590", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A3C31705-98A5-4EB4-9C89-47140142B078", "versionEndExcluding": "26.5.2"}, {"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DB0D3014-6223-4BE5-B8D5-C8A17326859D", "versionEndExcluding": "26.5.2"}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "237EDA63-32B7-40AA-8EDD-726EC67EAE38", "versionEndExcluding": "26.5.2"}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "32D958E9-AA46-4ED6-A8F3-ADE50F3C31AD", "versionEndExcluding": "26.5.2"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@apple.com"}