CVE-2026-112521

macOS Buffer Overflow Enables Sandbox Escalation

Published Oct 26, 2026 CVSS 3.1 · 9.3 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Title macOS Buffer Overflow Enables Sandbox Escalation
Type Values Removed Values Added
Title Bounded Buffer Overflow Allowing Sandbox Escalation in macOS
Weaknesses CWE-119
CWE-285
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'}

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
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
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Nov 4, 2026, 12:36 PM
Reserved
Oct 19, 2026, 5:05 PM
Status
Analyzed
Published
Oct 26, 2026, 9:17 PM
Modified
Nov 5, 2026, 1:38 PM