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Apple EUVDEUVD-2026-77863

| CVE-2026-86917 HIGH
Improper Handling of Insufficient Permissions or Privileges (CWE-280)
2026-09-14 apple GHSA-h3mq-56w5-hh5p
7.8
CVSS 3.1 · Vendor: apple
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Severity by source

Vendor (apple) PRIMARY
7.8 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (apple) · only source for this CVE.

CVSS VectorVendor: apple

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

5
Analysis Generated
Sep 15, 2026 - 10:36 vuln.today
CVSS changed
Sep 14, 2026 - 23:22 NVD
7.8 (HIGH)
Patch available
Sep 14, 2026 - 22:19 EUVD
CVE Published
Sep 14, 2026 - 20:49 cve.org
UNKNOWN (no severity yet)
CVE Published
Sep 14, 2026 - 20:49 cve.org
HIGH 7.8

DescriptionCVE.org

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.

AnalysisAI

Local privilege escalation in Apple macOS allows a malicious or compromised application already running on the system to obtain root privileges. The flaw is a permissions-handling defect (CWE-280) that Apple addressed by adding additional restrictions, with fixes shipping in macOS Sequoia 15.8, macOS Tahoe 26.7, and macOS Golden Gate 27. …

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EUVD-2026-77863 vulnerability details – vuln.today

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