CVE-2026-65377 - Vulnerability Details

- Memory Corruption Causing System Crash

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpected system termination.

Published: 2026-09-14

Score: 5.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Impact

A memory corruption issue caused by incomplete memory handling in Apple operating systems can enable a trusted or malicious application to crash the entire system, resulting in loss of availability. The flaw arises when memory is improperly accessed or written, leading to an unexpected system termination. The primary impact is a denial of service through a system crash, affecting all users who run affected OS versions.

Affected Systems

Apple iOS 26.7, iOS 27, iPadOS 26.7, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, and watchOS 27.

Risk and Exploitability

The EPSS score is < 1% and the vulnerability is not listed in the CISA KEV catalog, indicating no known widespread exploitation yet. The flaw likely requires a local application with sufficient privileges to corrupt memory, making the attack vector a trusted or malicious application rather than a remote actor. Because the defect can crash the device, the availability impact is high for any system running an affected OS without the latest patch.

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	< 26.7
`0`	affected	< 27

Apple

macOS

affected

Version	Status	Constraints
`0`	affected	< 15.8
`0`	affected	< 26.7
`0`	affected	< 27

Apple

tvOS

affected

Version	Status	Constraints
`0`	affected	< 27

Apple

visionOS

affected

Version	Status	Constraints
`0`	affected	< 27

Apple

watchOS

affected

Version	Status	Constraints
`0`	affected	< 27

Configuration 1 [-]

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:macos::::::::
	cpe:2.3:o:apple:tvos::::::::
	cpe:2.3:o:apple:visionos::::::::
	cpe:2.3:o:apple:watchos::::::::

No data.

Vendor Product Confidence Versions

Apple

Ios And Ipados

100%

Version	Status	Scheme	Platform
`[0,26.7)`	affected	generic	—
`[0,27)`	affected	generic	—

Apple

Macos

100%

Version	Status	Scheme	Platform
`[0,15.8)`	affected	generic	—
`[0,26.7)`	affected	generic	—
`[0,27)`	affected	generic	—

Apple

Tvos

100%

Version	Status	Scheme	Platform
`[0,27)`	affected	generic	—

Apple

Visionos

100%

Version	Status	Scheme	Platform
`[0,27)`	affected	generic	—

Apple

Watchos

100%

Version	Status	Scheme	Platform
`[0,27)`	affected	generic	—

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Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

Update to the latest iOS 26.7, iOS 27, iPadOS 26.7, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, and watchOS 27.
Avoid installing applications from untrusted sources or sideloading apps, as a malicious app could trigger the memory corruption. Only use applications vetted by the Apple App Store.
Monitor system crash logs through Console or system diagnostics and report any unexpected crashes to Apple to facilitate further investigation or the deployment of additional mitigations.

Generated by OpenCVE AI on September 20, 2026 at 19:15 UTC.

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 None

Integrity Impact None

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 0.00158.

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://support.apple.com/en-us/149034
https://support.apple.com/en-us/149035
https://support.apple.com/en-us/149036
https://support.apple.com/en-us/149037
https://support.apple.com/en-us/149038
https://support.apple.com/en-us/149041
https://support.apple.com/en-us/149042
https://support.apple.com/en-us/149043

History

Sun, 20 Sep 2026 19:30:00 +0000

Type	Values Removed	Values Added
Title		Memory Corruption Causing System Crash

Thu, 17 Sep 2026 19:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Apple ipados Apple iphone Os
CPEs		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::::::::
Vendors & Products		Apple ipados Apple iphone Os

Wed, 16 Sep 2026 18:30:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-125 CWE-416
Metrics		cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 16 Sep 2026 10:30:00 +0000

Type	Values Removed	Values Added
Title	Memory Corruption Leading to Unexpected System Termination in Apple Operating Systems
Weaknesses	CWE-787

Tue, 15 Sep 2026 10:30:00 +0000

Type	Values Removed	Values Added
Title		Memory Corruption Leading to Unexpected System Termination in Apple Operating Systems
Weaknesses		CWE-787

Tue, 15 Sep 2026 01:30:00 +0000

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

Mon, 14 Sep 2026 21:00:00 +0000

Type	Values Removed	Values Added
Description		A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpected system termination.
References		https://support.apple.com/en-us/149034 https://support.apple.com/en-us/149035 https://support.apple.com/en-us/149036 https://support.apple.com/en-us/149037 https://support.apple.com/en-us/149038 https://support.apple.com/en-us/149041 https://support.apple.com/en-us/149042 https://support.apple.com/en-us/149043

Subscriptions

Apple Ios And Ipados Ipados Iphone Os Macos Tvos Visionos Watchos

MITRE

Status: PUBLISHED

Assigner: apple

Published: 2026-09-14T20:50:02.770Z

Updated: 2026-09-16T17:38:29.566Z

Reserved: 2026-07-22T00:46:31.442Z

Link: CVE-2026-65377

Vulnrichment

Updated: 2026-09-16T17:38:23.095Z

NVD

Status : Analyzed

Published: 2026-09-14T21:17:22.133

Modified: 2026-09-17T18:45:37.163

Link: CVE-2026-65377

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-09-20T19:15:03Z

Weaknesses

CWE-125
Out-of-bounds Read
CWE-416
Use After Free

Impact

Affected Systems

Risk and Exploitability

Tracking

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Exploitation none

Automatable no

Technical Impact partial

Subscriptions

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