CVE-2026-20620 - Vulnerability Details - OpenCVE

An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Tahoe 26.3, macOS Sonoma 14.8.4. An attacker may be able to cause unexpected system termination or read kernel memory.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Apple	Macos

Configuration 1 [-]

OR	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:macos::::::::

No data.

References

Link	Providers
https://support.apple.com/en-us/126348
https://support.apple.com/en-us/126349
https://support.apple.com/en-us/126350

History

Tue, 17 Feb 2026 13:45:00 +0000

Type	Values Removed	Values Added
CPEs		cpe:2.3:o:apple:macos::::::::

Fri, 13 Feb 2026 21:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-125
Metrics		cvssV3_1 `{'score': 7.7, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Thu, 12 Feb 2026 09:45:00 +0000

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

Wed, 11 Feb 2026 23:15:00 +0000

Type	Values Removed	Values Added
Description		An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Tahoe 26.3, macOS Sonoma 14.8.4. An attacker may be able to cause unexpected system termination or read kernel memory.
References		https://support.apple.com/en-us/126348 https://support.apple.com/en-us/126349 https://support.apple.com/en-us/126350

MITRE

Status: PUBLISHED

Assigner: apple

Published: 2026-02-11T22:58:16.266Z

Updated: 2026-02-13T20:15:40.527Z

Reserved: 2025-11-11T14:43:07.859Z

Link: CVE-2026-20620

Vulnrichment

Updated: 2026-02-13T20:12:56.350Z

NVD

Status : Analyzed

Published: 2026-02-11T23:16:05.577

Modified: 2026-02-17T13:32:00.920

Link: CVE-2026-20620

Redhat

No data.

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