CVE-2026-20654

The issue was addressed with improved memory handling. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An app may be able to cause unexpected system termination.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

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/126346	Release Notes Vendor Advisory
https://support.apple.com/en-us/126348	Release Notes Vendor Advisory
https://support.apple.com/en-us/126351	Release Notes Vendor Advisory
https://support.apple.com/en-us/126352	Release Notes Vendor Advisory
https://support.apple.com/en-us/126353	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::::::::
	cpe:2.3:o:apple:tvos::::::::
	cpe:2.3:o:apple:visionos::::::::
	cpe:2.3:o:apple:watchos::::::::

History

No history.

Information

Published : 2026-02-11 23:16

Updated : 2026-02-18 15:18

NVD link : CVE-2026-20654

Mitre link : CVE-2026-20654

CVE.ORG link : CVE-2026-20654

JSON object : View

Products Affected

apple

watchos
macos
ipados
visionos
iphone_os
tvos

CWE

NVD-CWE-noinfo CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

{"id": "CVE-2026-20654", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2026-02-11T23:16:08.233", "references": [{"url": "https://support.apple.com/en-us/126346", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/126348", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/126351", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/126352", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/126353", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "value": "The issue was addressed with improved memory handling. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An app may be able to cause unexpected system termination."}, {"lang": "es", "value": "El problema se abord\u00f3 con una gesti\u00f3n mejorada de la memoria. Este problema se corrigi\u00f3 en watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 y iPadOS 26.3. Una aplicaci\u00f3n podr\u00eda causar una terminaci\u00f3n inesperada del sistema."}], "lastModified": "2026-02-18T15:18:42.190", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "73ED2212-C513-4BE8-8EDB-40DF4323558E", "versionEndExcluding": "26.3"}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEC63AFD-9C97-45CD-80CF-CC60DF064838", "versionEndExcluding": "26.3"}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E1EEEE88-5ADA-4C55-9C7C-397E904408DD", "versionEndExcluding": "26.3"}, {"criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "60137BD4-65B6-4962-B1E5-5F4EE279489B", "versionEndExcluding": "26.3"}, {"criteria": "cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "388EDB3F-A14E-4922-B88A-F1CB6DE50A2A", "versionEndExcluding": "26.3"}, {"criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F406F3D2-0AF3-4F83-A123-2AC07B3B094E", "versionEndExcluding": "26.3"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@apple.com"}