CVE-2026-43743

A race condition was addressed with improved state handling. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. An app may be able to cause unexpected system termination.

CVSS v3 4.7 MEDIUM

4.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.0 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:macos::::::::

History

30 Jun 2026, 19:10

Type	Values Removed	Values Added
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
First Time		Apple ipados Apple Apple macos Apple iphone Os
CPE		cpe:2.3:o:apple:ipados:::::::: cpe:2.3:o:apple:macos:::::::: cpe:2.3:o:apple:iphone_os::::::::

29 Jun 2026, 22:16

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 4.7
CWE		CWE-362

29 Jun 2026, 20:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-29 20:17

Updated : 2026-06-30 19:10

NVD link : CVE-2026-43743

Mitre link : CVE-2026-43743

CVE.ORG link : CVE-2026-43743

JSON object : View

Products Affected

apple

ipados
macos
iphone_os

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

{"id": "CVE-2026-43743", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43743", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-29T21:25:21.240645Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.0}]}, "affected": [{"source": "product-security@apple.com", "affectedData": [{"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": "2026-06-29T20:17:37.783", "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"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-362"}]}], "descriptions": [{"lang": "en", "value": "A race condition was addressed with improved state handling. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. An app may be able to cause unexpected system termination."}], "lastModified": "2026-06-30T19:10:06.490", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"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": "C3D2FD83-D448-4CD3-90ED-9FB8BF55B0D0", "versionEndExcluding": "26.5.2", "versionStartIncluding": "26.0"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@apple.com"}