CVE-2026-84489: An app may be able to cause a denial of service in Apple iOS and iPadOS
A buffer overflow vulnerability in Apple iOS and iPadOS could allow an app to cause a denial of service. This issue has been addressed with improved bounds checking and fixed in iOS 18.7.10, iPadOS 18.7.10, iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.7.8, and macOS Sonoma 14.8.8.
AI Analysis
Technical Summary
CVE-2026-84489 describes a buffer overflow vulnerability in Apple iOS and iPadOS that could be exploited by an app to cause a denial of service condition. The vulnerability was mitigated by implementing improved bounds checking. The fix is included in iOS 18.7.10, iPadOS 18.7.10, iOS 27, iPadOS 27, and several macOS versions including Golden Gate 27, Sequoia 15.7.8, and Sonoma 14.8.8.
Potential Impact
An attacker controlling a malicious app could trigger a denial of service on affected Apple devices running vulnerable versions of iOS, iPadOS, or macOS. This could disrupt normal device operation but does not indicate privilege escalation or data compromise based on the provided information.
Mitigation Recommendations
Apply the official fixes by updating to iOS 18.7.10, iPadOS 18.7.10, iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.7.8, or macOS Sonoma 14.8.8 as appropriate. These updates contain improved bounds checking that resolves the buffer overflow vulnerability.
CVE-2026-84489: An app may be able to cause a denial of service in Apple iOS and iPadOS
Description
A buffer overflow vulnerability in Apple iOS and iPadOS could allow an app to cause a denial of service. This issue has been addressed with improved bounds checking and fixed in iOS 18.7.10, iPadOS 18.7.10, iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.7.8, and macOS Sonoma 14.8.8.
Affected software
Apple
iOS and iPadOS
Apple
macOS
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-84489 describes a buffer overflow vulnerability in Apple iOS and iPadOS that could be exploited by an app to cause a denial of service condition. The vulnerability was mitigated by implementing improved bounds checking. The fix is included in iOS 18.7.10, iPadOS 18.7.10, iOS 27, iPadOS 27, and several macOS versions including Golden Gate 27, Sequoia 15.7.8, and Sonoma 14.8.8.
Potential Impact
An attacker controlling a malicious app could trigger a denial of service on affected Apple devices running vulnerable versions of iOS, iPadOS, or macOS. This could disrupt normal device operation but does not indicate privilege escalation or data compromise based on the provided information.
Mitigation Recommendations
Apply the official fixes by updating to iOS 18.7.10, iPadOS 18.7.10, iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.7.8, or macOS Sonoma 14.8.8 as appropriate. These updates contain improved bounds checking that resolves the buffer overflow vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T20:50:08.321Z
- State
- PUBLISHED
Threat ID: 6aa8610155bf5e2cf59d2762
Added to database: 09/14/2026, 21:02:57 UTC
Last enriched: 09/14/2026, 22:29:25 UTC
Last updated: 09/15/2026, 02:01:23 UTC
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.