CVE-2026-43724 - Vulnerability Details

- Improper Input Sanitization Leading to Kernel Memory Write and System Termination in Apple OSes

Description

The issue was addressed with improved input sanitization. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination or write kernel memory.

Published: 2026-06-29

Score: 7.8 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Apple

iOS and iPadOS

affected

Version	Status	Constraints
`0`	affected	< 18.7.10
`0`	affected	< 26.5.2

Apple

macOS

affected

Version	Status	Constraints
`0`	affected	< 14.8.8
`0`	affected	< 15.7.8
`0`	affected	< 26.5.2

Apple

tvOS

affected

Version	Status	Constraints
`0`	affected	< 26.6

Apple

visionOS

affected

Version	Status	Constraints
`0`	affected	< 26.6

Apple

watchOS

affected

Version	Status	Constraints
`0`	affected	< 26.6

Configuration 1 [-]

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

No data.

Vendor Product Confidence Versions

Apple

Ios And Ipados

100%

Version	Status	Scheme	Platform
`[0,26.5.2)`	affected	generic	—

Apple

Macos

100%

Version	Status	Scheme	Platform
`[0,26.5.2)`	affected	generic	—

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Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00165.

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://support.apple.com/en-us/127594
https://support.apple.com/en-us/127595
https://support.apple.com/en-us/128068
https://support.apple.com/en-us/128069
https://support.apple.com/en-us/128070
https://support.apple.com/en-us/128071
https://support.apple.com/en-us/128072
https://support.apple.com/en-us/148287

History

Tue, 18 Aug 2026 01:45:00 +0200

Type	Values Removed	Values Added
Title		Improper Input Sanitization Leading to Kernel Memory Write and System Termination in Apple OSes

Mon, 17 Aug 2026 23:45:00 +0200

Type	Values Removed	Values Added
Description	The issue was addressed with improved input sanitization. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination or write kernel memory.	The issue was addressed with improved input sanitization. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination or write kernel memory.
References		https://support.apple.com/en-us/148287

Tue, 04 Aug 2026 10:45:00 +0200

Type	Values Removed	Values Added
Title	Kernel Memory Write via Improper Input Sanitization on Apple OS

Fri, 31 Jul 2026 19:15:00 +0200

Type	Values Removed	Values Added
Title		Kernel Memory Write via Improper Input Sanitization on Apple OS

Mon, 27 Jul 2026 22:30:00 +0200

Type	Values Removed	Values Added
Description	The issue was addressed with improved input sanitization. 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 or write kernel memory.	The issue was addressed with improved input sanitization. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination or write kernel memory.
References		https://support.apple.com/en-us/128068 https://support.apple.com/en-us/128069 https://support.apple.com/en-us/128070 https://support.apple.com/en-us/128071 https://support.apple.com/en-us/128072

Wed, 01 Jul 2026 00:15:00 +0200

Type	Values Removed	Values Added
Title	Kernel Memory Write via Improper Input Sanitization on Apple Operating Systems

Tue, 30 Jun 2026 22:30:00 +0200

Type	Values Removed	Values Added
Metrics	cvssV3_1 `{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`	cvssV3_1 `{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 30 Jun 2026 20:45:00 +0200

Type	Values Removed	Values Added
Title		Kernel Memory Write via Improper Input Sanitization on Apple Operating Systems

Tue, 30 Jun 2026 19:15:00 +0200

Type	Values Removed	Values Added
Title	Kernel Memory Write Vulnerability in Apple iOS/iPadOS/macOS via Improper Input Handling
Weaknesses	CWE-787

Tue, 30 Jun 2026 17:30:00 +0200

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 30 Jun 2026 04:45:00 +0200

Type	Values Removed	Values Added
First Time appeared		Apple Apple ios And Ipados Apple macos
Vendors & Products		Apple Apple ios And Ipados Apple macos

Tue, 30 Jun 2026 00:00:00 +0200

Type	Values Removed	Values Added
Title		Kernel Memory Write Vulnerability in Apple iOS/iPadOS/macOS via Improper Input Handling
Weaknesses		CWE-20 CWE-787

Mon, 29 Jun 2026 22:15:00 +0200

Type	Values Removed	Values Added
Description		The issue was addressed with improved input sanitization. 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 or write kernel memory.
References		https://support.apple.com/en-us/127594 https://support.apple.com/en-us/127595

Subscriptions

Apple Ios And Ipados Ipados Iphone Os Macos

MITRE

Status: PUBLISHED

Assigner: apple

Published: 2026-06-29T19:42:59.606Z

Updated: 2026-08-17T21:30:35.040Z

Reserved: 2026-05-01T22:46:21.645Z

Link: CVE-2026-43724

Vulnrichment

Updated: 2026-06-30T14:27:12.316Z

NVD

Status : Modified

Published: 2026-06-29T20:17:36.837

Modified: 2026-08-17T22:17:08.607

Link: CVE-2026-43724

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-08-18T01:30:04Z

Weaknesses

CWE-20

Tracking

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Exploitation none

Automatable no

Technical Impact total

Subscriptions

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