CVE-2026-84554: An attacker in a privileged network position may be able to cause a denial-of-service in Apple macOS
CVE-2026-84554 is an integer overflow vulnerability in Apple macOS that could allow an attacker in a privileged network position to cause a denial-of-service. The issue has been addressed with improved input validation and fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
AI Analysis
Technical Summary
This vulnerability involves an integer overflow in Apple macOS that can be triggered by an attacker positioned with network privileges, potentially causing a denial-of-service condition. The flaw was mitigated by enhancing input validation. The vendor has released fixes in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7 to address this issue.
Potential Impact
An attacker with privileged network access may exploit this integer overflow to cause a denial-of-service, disrupting normal operation of affected macOS systems.
Mitigation Recommendations
Apply the official patches by upgrading to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7, where the vulnerability has been fixed with improved input validation.
CVE-2026-84554: An attacker in a privileged network position may be able to cause a denial-of-service in Apple macOS
Description
CVE-2026-84554 is an integer overflow vulnerability in Apple macOS that could allow an attacker in a privileged network position to cause a denial-of-service. The issue has been addressed with improved input validation and fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Affected software
Apple
macOS
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an integer overflow in Apple macOS that can be triggered by an attacker positioned with network privileges, potentially causing a denial-of-service condition. The flaw was mitigated by enhancing input validation. The vendor has released fixes in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7 to address this issue.
Potential Impact
An attacker with privileged network access may exploit this integer overflow to cause a denial-of-service, disrupting normal operation of affected macOS systems.
Mitigation Recommendations
Apply the official patches by upgrading to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7, where the vulnerability has been fixed with improved input validation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T21:13:17.752Z
- State
- PUBLISHED
Threat ID: 6aa8610a55bf5e2cf59d2a85
Added to database: 09/14/2026, 21:03:06 UTC
Last enriched: 09/14/2026, 22:32:45 UTC
Last updated: 09/15/2026, 03:01:22 UTC
Views: 3
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