Description
An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to access user-sensitive data.
Published: 2026-09-14
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Unauthorized Data Access
Action: Apply Patch
AI Analysis

Impact

An access issue related to macOS sandbox restrictions allows an application to read user‑sensitive data. The flaw enables bypassing normal sandbox boundaries, enabling privileged data exposure. This can lead to exposed private information without proper authorization, compromising confidentiality.

Affected Systems

Apple macOS is affected. The vulnerability impacts macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. No other Apple operating systems at this time.

Risk and Exploitability

The exploitability requires local execution of an application that can leverage the sandbox misconfiguration. The CVSS score is 5.5, indicating moderate severity. Based on the description, it is inferred that the likely attack vector is local execution of a malicious application. Attack install a malicious application that bypasses the updated sandbox controls. EPSS score is < 1% and the CVE is not listed in the CISA KEV catalog. Immediate action is still recommended.

Generated by OpenCVE AI on September 20, 2026 at 20:38 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Upgrade to the latest macOS release that includes the sandbox restriction fix (Golden Gate 27, Sequoia 15.8, or Tahoe 26.7).
  • Use system privacy settings to limit applications’ access to sensitive data until the update is applied.
  • Monitor for new updates or advisories from Apple regarding this issue.

Generated by OpenCVE AI on September 20, 2026 at 20:38 UTC.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Sun, 20 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
Title macOS Sandbox Restriction Exploit Enables Unauthorized Data Access

Thu, 17 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

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

cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}


Wed, 16 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-862
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}


Wed, 16 Sep 2026 10:00:00 +0000

Type Values Removed Values Added
Title macOS Sandbox Restriction Bypass Allowing Access to User‑Sensitive Data
Weaknesses CWE-284

Tue, 15 Sep 2026 10:00:00 +0000

Type Values Removed Values Added
Title macOS Sandbox Restriction Bypass Allowing Access to User‑Sensitive Data
Weaknesses CWE-284

Tue, 15 Sep 2026 00:15:00 +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 access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to access user-sensitive data.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-09-17T15:04:47.389Z

Reserved: 2026-05-01T22:46:27.820Z

Link: CVE-2026-43789

cve-icon Vulnrichment

Updated: 2026-09-17T15:04:13.003Z

cve-icon NVD

Status : Modified

Published: 2026-09-14T21:17:11.593

Modified: 2026-09-17T16:17:28.427

Link: CVE-2026-43789

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-20T20:45:03Z

Weaknesses