Description
A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to gain root privileges.
Published: 2026-09-14
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: Privilege Escalation (Root)
Action: Immediate Patch
AI Analysis

Impact

The vulnerability permits a local application to bypass permission checks, enabling the app stems from a permission check failure and could allow an attacker to modify system files, install malware, or compromise the entire machine. The impact includes loss of confidentiality, integrity, and availability of the affected macOS system. The likely attack vector is local execution of a malicious application, inferred from the description that an app may be able to gain root privileges.

Affected Systems

Apple macOS; specifically macOS Golden Gate versions prior to 27, macOS Sequoia versions prior to 15.8, and macOS Tahoe versions prior to 26.7.

Risk and Exploitability

The CVSS score of 7.8 indicates a high severity, and the EPSS score of < 1% indicates a very low probability of exploitation. The vulnerability is not listed in the CISA KEV catalog, suggesting no confirmed public exploits yet. Attackers would need local access to a vulnerable application; this inference is drawn from the description that an app may be able to gain root privileges.

Generated by OpenCVE AI on September 20, 2026 at 20:13 UTC.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Upgrade macOS to the latest available release that includes the fix—macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 or later.
  • Remove or disable any untrusted or unnecessary applications that could exploit the permission bypass.
  • Ensure that System Integrity Protection and Gatekeeper are enabled to limit the execution of unauthorized code on the system.

Generated by OpenCVE AI on September 20, 2026 at 20:13 UTC.

Tracking

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Advisories

No advisories yet.

History

Wed, 16 Sep 2026 10:15:00 +0000

Type Values Removed Values Added
Title Permission Issue Allowing App to Escalate to Root

Tue, 15 Sep 2026 17:45:00 +0000

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

Tue, 15 Sep 2026 08:00:00 +0000

Type Values Removed Values Added
Title Permission Issue Allowing App to Escalate to Root

Tue, 15 Sep 2026 03:45:00 +0000

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

Mon, 14 Sep 2026 23:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-280
Metrics 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'}

ssvc

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


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

Type Values Removed Values Added
Description A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to gain root privileges.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-09-15T03:56:27.247Z

Reserved: 2026-09-08T16:43:41.876Z

Link: CVE-2026-86917

cve-icon Vulnrichment

Updated: 2026-09-14T22:33:03.698Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-14T21:17:41.760

Modified: 2026-09-15T17:27:21.957

Link: CVE-2026-86917

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-20T20:15:04Z

Weaknesses
  • CWE-280

    Improper Handling of Insufficient Permissions or Privileges