A heap buffer overflow was addressed with improved bounds checking. (CVE-2026-84510)
A heap buffer overflow vulnerability was addressed by improving bounds checking in Apple operating systems. The flaw could cause unexpected system termination if a maliciously crafted volume is mounted. The issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
AI Analysis
Technical Summary
CVE-2026-84510 is a heap buffer overflow vulnerability in Apple operating systems that was mitigated by enhanced bounds checking. The vulnerability could be triggered by mounting a maliciously crafted volume, potentially leading to unexpected system termination. The vendor has released fixes in multiple OS versions including iOS 26.7, iPadOS 26.7, iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Potential Impact
Exploitation of this vulnerability may cause unexpected system termination, which could disrupt normal device operation. There is no indication of code execution or data compromise from the provided information.
Mitigation Recommendations
Apply the official fixes by updating to iOS 26.7 or later, iPadOS 26.7 or later, macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7. These updates address the heap buffer overflow by improving bounds checking.
A heap buffer overflow was addressed with improved bounds checking. (CVE-2026-84510)
Description
A heap buffer overflow vulnerability was addressed by improving bounds checking in Apple operating systems. The flaw could cause unexpected system termination if a maliciously crafted volume is mounted. The issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-84510 is a heap buffer overflow vulnerability in Apple operating systems that was mitigated by enhanced bounds checking. The vulnerability could be triggered by mounting a maliciously crafted volume, potentially leading to unexpected system termination. The vendor has released fixes in multiple OS versions including iOS 26.7, iPadOS 26.7, iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Potential Impact
Exploitation of this vulnerability may cause unexpected system termination, which could disrupt normal device operation. There is no indication of code execution or data compromise from the provided information.
Mitigation Recommendations
Apply the official fixes by updating to iOS 26.7 or later, iPadOS 26.7 or later, macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7. These updates address the heap buffer overflow by improving bounds checking.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-xv4r-q65q-4g2x
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-84510"]
- State
- PUBLISHED
Threat ID: 6aa8a1a255bf5e2cf5f3d4d1
Added to database: 09/15/2026, 01:38:42 UTC
Last enriched: 09/15/2026, 01:49:54 UTC
Last updated: 09/15/2026, 03:01:22 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.