A use after free issue was addressed with improved memory management. (CVE-2026-84521)
A use after free vulnerability was addressed through improved memory management in multiple Apple operating systems. The flaw could allow an application to cause unexpected system termination. The issue is fixed in iOS 26.7 and later, iPadOS 26.7 and later, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, and visionOS 27.
AI Analysis
Technical Summary
CVE-2026-84521 is a use after free vulnerability affecting several Apple operating systems. This memory management flaw could be exploited by an application to cause unexpected system termination. The vendor has fixed the issue in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, and visionOS 27 through improved memory management.
Potential Impact
An application exploiting this vulnerability may cause unexpected system termination, potentially leading to denial of service conditions on affected devices.
Mitigation Recommendations
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, macOS Tahoe 26.7, and visionOS 27. Users and administrators should apply these updates to remediate the vulnerability.
A use after free issue was addressed with improved memory management. (CVE-2026-84521)
Description
A use after free vulnerability was addressed through improved memory management in multiple Apple operating systems. The flaw could allow an application to cause unexpected system termination. The issue is fixed in iOS 26.7 and later, iPadOS 26.7 and later, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, and visionOS 27.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-84521 is a use after free vulnerability affecting several Apple operating systems. This memory management flaw could be exploited by an application to cause unexpected system termination. The vendor has fixed the issue in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, and visionOS 27 through improved memory management.
Potential Impact
An application exploiting this vulnerability may cause unexpected system termination, potentially leading to denial of service conditions on affected devices.
Mitigation Recommendations
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, macOS Tahoe 26.7, and visionOS 27. Users and administrators should apply these updates to remediate the vulnerability.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-79cc-p387-x4hf
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-84521"]
- State
- PUBLISHED
Threat ID: 6aa8a1a555bf5e2cf5f3d4ea
Added to database: 09/15/2026, 01:38:45 UTC
Last enriched: 09/15/2026, 01:51:33 UTC
Last updated: 09/15/2026, 03:01:23 UTC
Views: 2
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