CVE-2026-112670

Out-of-Bounds Write Causing Heap Corruption in macOS

Published Oct 26, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Processing a maliciously crafted file may lead to heap corruption.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Title Out-of-Bounds Write Causing Heap Corruption in macOS
Type Values Removed Values Added
Weaknesses CWE-20
Type Values Removed Values Added
Title Out-of-Bounds Write Leading to Heap Corruption in macOS File Processing
Type Values Removed Values Added
Weaknesses CWE-20
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', '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'}

Type Values Removed Values Added
Title Out-of-Bounds Write Leading to Heap Corruption in macOS File Processing
Type Values Removed Values Added
Title Out-of-Bounds Write Leading to Heap Corruption in macOS
Type Values Removed Values Added
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Title Out-of-Bounds Write Leading to Heap Corruption in macOS
First Time appeared Apple
Apple macos
Weaknesses CWE-787
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Description An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Processing a maliciously crafted file may lead to heap corruption.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Nov 7, 2026, 4:55 AM
Reserved
Oct 19, 2026, 5:05 PM
Status
Modified
Published
Oct 26, 2026, 9:18 PM
Modified
Nov 7, 2026, 5:18 AM