An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Processing a maliciously crafted file may result in unexpected app termination or disclosure of process memory.
History

Sun, 20 Sep 2026 22:15:00 +0000

Type Values Removed Values Added
Title macOS Out‑of‑Bounds Read Vulnerability Allowing Potential Memory Disclosure or Crash

Wed, 16 Sep 2026 18:15:00 +0000

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

Wed, 16 Sep 2026 14:00:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Read May Cause Memory Disclosure or Crash in macOS
Weaknesses CWE-119
CWE-20

Tue, 15 Sep 2026 19:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-125
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 15 Sep 2026 11:15:00 +0000

Type Values Removed Values Added
Title Out‑of‑Bounds Read May Cause Memory Disclosure or Crash in macOS
Weaknesses CWE-119
CWE-20

Tue, 15 Sep 2026 02:30:00 +0000

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

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

Type Values Removed Values Added
Description An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Processing a maliciously crafted file may result in unexpected app termination or disclosure of process memory.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published: 2026-09-14T20:47:55.688Z

Updated: 2026-09-15T18:18:11.617Z

Reserved: 2026-09-01T21:13:17.749Z

Link: CVE-2026-84516

cve-icon Vulnrichment

Updated: 2026-09-15T18:18:05.368Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-14T21:17:28.147

Modified: 2026-09-16T18:01:29.260

Link: CVE-2026-84516

cve-icon Redhat

No data.