CVE-2026-84554

Received Received - Intake

Integer Overflow Leads to DoS in macOS Golden Gate

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apple Inc.

Description

An integer overflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An attacker in a privileged network position may be able to cause a denial-of-service.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-14

Last Modified

2026-09-14

Generated

2026-09-15

AI Q&A

2026-09-15

EPSS Evaluated

N/A

NVD

CVE-2026-84554

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos	27
apple	macos	15.8
apple	macos	26.7

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability is an integer overflow caused by insufficient input validation. An attacker in a privileged network position could exploit this to trigger a denial-of-service condition.

Detection Guidance

This vulnerability is specific to macOS versions prior to Golden Gate 27, Sequoia 15.8, and Tahoe 26.7. Detection involves checking your macOS version against these updates. Use the command 'sw_vers' in Terminal to view your current macOS version.

Impact Analysis

If exploited, this vulnerability could cause system crashes or service disruptions, leading to downtime or loss of availability for affected macOS systems.

Mitigation Strategies

Update your macOS to Golden Gate 27, Sequoia 15.8, or Tahoe 26.7 or later immediately. This can be done via System Preferences > Software Update. Ensure no unpatched systems remain in your network.

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