CVE-2026-43691

macOS Path Handling Flaw Allowing Privilege Escalation

Published Sep 14, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
A path handling issue was addressed with improved validation. 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.

Analysis

AI-generated

Technical impact

A path handling flaw was found in Apple macOS where inadequate validation could allow an application to manipulate filesystem paths. If exploited, the flaw could grant the application root privileges, providing full control over the affected machine, enabling data tampering, persistence, and other high‑impact consequences.

Affected Systems

Apple macOS Golden Gate, macOS Sequoia, and macOS Tahoe are the affected product families. The issue is resolved in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Systems running earlier releases remain vulnerable.

Risk and Exploitability

The vulnerability carries a CVSS score of 7.8, which indicates moderate to high severity. The EPSS score is < 1%, suggesting a very low probability of exploitation. The issue is not listed in the CISA KEV catalog. The likely attack vector is local privilege escalation, inferred from the description that an application could gain root privileges. Although no publicly available exploit is known, the potential impact of a successful exploitation remains significant.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Install macOS updates that include the fix, specifically updating to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7, or any later release that contains these changes.
  • Restrict execution of untrusted applications by enforcing strict application whitelisting and adopting macOS sandboxing features.
  • Enforce least privilege for user accounts, using role‑based access controls and disabling administrative privileges where not needed.

Generated by OpenCVE AI on September 16, 2026 at 09:59 UTC.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title macOS Path Handling Flaw Allowing Privilege Escalation
Type Values Removed Values Added
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Weaknesses CWE-22
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'}

Type Values Removed Values Added
Description A path handling issue was addressed with improved validation. 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
Weaknesses
  • CWE-22

    Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Oct 26, 2026, 8:42 PM
Reserved
May 1, 2026, 10:46 PM
Status
Analyzed
Published
Sep 14, 2026, 9:17 PM
Modified
Sep 15, 2026, 7:27 PM