CVE-2026-43688

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27. Processing a maliciously crafted file may lead to unexpected app termination.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://support.apple.com/en-us/149034	Release Notes Vendor Advisory
https://support.apple.com/en-us/149035	Release Notes 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

17 Sep 2026, 18:41

Type	Values Removed	Values Added
First Time		Apple iphone Os Apple macos Apple ipados Apple
CPE		cpe:2.3:o:apple:ipados:::::::: cpe:2.3:o:apple:macos:::::::: cpe:2.3:o:apple:iphone_os::::::::
References	~~() https://support.apple.com/en-us/149034 -~~	() https://support.apple.com/en-us/149034 - Release Notes, Vendor Advisory
References	~~() https://support.apple.com/en-us/149035 -~~	() https://support.apple.com/en-us/149035 - Release Notes, Vendor Advisory

16 Sep 2026, 14:17

Type	Values Removed	Values Added
CWE		CWE-1021
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.8

Information

Published : 2026-09-14 21:17

Updated : 2026-09-17 18:41

NVD link : CVE-2026-43688

Mitre link : CVE-2026-43688

CVE.ORG link : CVE-2026-43688

JSON object : View

Products Affected

apple

macos
iphone_os
ipados

CWE

CWE-1021

Improper Restriction of Rendered UI Layers or Frames

{"id": "CVE-2026-43688", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43688", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-09-16T13:55:33.854511Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "product-security@apple.com", "affectedData": [{"vendor": "Apple", "product": "iOS and iPadOS", "versions": [{"status": "affected", "version": "0", "lessThan": "27", "versionType": "custom"}]}, {"vendor": "Apple", "product": "macOS", "versions": [{"status": "affected", "version": "0", "lessThan": "27", "versionType": "custom"}]}]}], "published": "2026-09-14T21:17:08.133", "references": [{"url": "https://support.apple.com/en-us/149034", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/149035", "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-1021"}]}], "descriptions": [{"lang": "en", "value": "A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27. Processing a maliciously crafted file may lead to unexpected app termination."}], "lastModified": "2026-09-17T18:41:43.723", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A6CD209B-5C42-4CC2-BF07-60852D12509A", "versionEndExcluding": "27.0"}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8A74637E-2BC7-477F-8996-32A3BE7A10DC", "versionEndExcluding": "27.0"}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7FD79C64-A33E-4DDB-BDE6-4E272788FF66", "versionEndExcluding": "27.0"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@apple.com"}