CVE-2026-112521 - Vulnerability Details - OpenCVE

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A sandboxed process may be able to circumvent sandbox restrictions.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Changed

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.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Apple	Macos

No data.

No data.

References

Link	Providers
https://support.apple.com/en-us/149521
https://support.apple.com/en-us/149522
https://support.apple.com/en-us/149523

History

Wed, 04 Nov 2026 18:45:00 +0000

Type	Values Removed	Values Added
Title		macOS Buffer Overflow Enables Sandbox Escalation

Wed, 04 Nov 2026 16:00:00 +0000

Type	Values Removed	Values Added
Title	Bounded Buffer Overflow Allowing Sandbox Escalation in macOS
Weaknesses	CWE-119 CWE-285

Wed, 04 Nov 2026 13:30:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-120
Metrics		cvssV3_1 `{'score': 9.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 27 Oct 2026 04:30:00 +0000

Type	Values Removed	Values Added
Title		Bounded Buffer Overflow Allowing Sandbox Escalation in macOS
First Time appeared		Apple Apple macos
Weaknesses		CWE-119 CWE-285
Vendors & Products		Apple Apple macos

Mon, 26 Oct 2026 21:00:00 +0000

Type	Values Removed	Values Added
Description		A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A sandboxed process may be able to circumvent sandbox restrictions.
References		https://support.apple.com/en-us/149521 https://support.apple.com/en-us/149522 https://support.apple.com/en-us/149523

MITRE

Status: PUBLISHED

Assigner: apple

Published: 2026-10-26T20:38:06.669Z

Updated: 2026-11-04T12:36:42.389Z

Reserved: 2026-10-19T17:05:22.977Z

Link: CVE-2026-112521

Vulnrichment

Updated: 2026-11-04T12:36:30.347Z

NVD

Status : Undergoing Analysis

Published: 2026-10-26T21:17:44.127

Modified: 2026-11-04T13:17:23.037

Link: CVE-2026-112521

Redhat

No data.

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