A heap buffer overflow was addressed with improved bounds checking. (CVE-2026-86870)
A heap buffer overflow vulnerability was fixed by improving bounds checking in Apple operating systems including iOS, iPadOS, macOS Golden Gate, visionOS, and watchOS. The flaw could cause unexpected application termination when processing a maliciously crafted file. The issue is resolved in versions iOS 26.7 and later, iPadOS 26.7 and later, macOS Golden Gate 27 and later, visionOS 27 and later, and watchOS 27 and later.
AI Analysis
Technical Summary
CVE-2026-86870 is a heap buffer overflow vulnerability addressed by enhanced bounds checking in multiple Apple OS platforms. This vulnerability could be triggered by processing a maliciously crafted file, potentially causing unexpected app termination. The vendor has fixed this issue in specific OS versions: iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27, and watchOS 27.
Potential Impact
The vulnerability may lead to unexpected termination of applications processing maliciously crafted files. No information about further impact such as code execution or data leakage is provided.
Mitigation Recommendations
The issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27, and watchOS 27. Users and administrators should update to these versions or later to remediate the vulnerability.
A heap buffer overflow was addressed with improved bounds checking. (CVE-2026-86870)
Description
A heap buffer overflow vulnerability was fixed by improving bounds checking in Apple operating systems including iOS, iPadOS, macOS Golden Gate, visionOS, and watchOS. The flaw could cause unexpected application termination when processing a maliciously crafted file. The issue is resolved in versions iOS 26.7 and later, iPadOS 26.7 and later, macOS Golden Gate 27 and later, visionOS 27 and later, and watchOS 27 and later.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-86870 is a heap buffer overflow vulnerability addressed by enhanced bounds checking in multiple Apple OS platforms. This vulnerability could be triggered by processing a maliciously crafted file, potentially causing unexpected app termination. The vendor has fixed this issue in specific OS versions: iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27, and watchOS 27.
Potential Impact
The vulnerability may lead to unexpected termination of applications processing maliciously crafted files. No information about further impact such as code execution or data leakage is provided.
Mitigation Recommendations
The issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27, and watchOS 27. Users and administrators should update to these versions or later to remediate the vulnerability.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-4hc9-v4r7-pw4j
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-86870"]
- State
- PUBLISHED
Threat ID: 6aa8a18b55bf5e2cf5f3d3b6
Added to database: 09/15/2026, 01:38:19 UTC
Last enriched: 09/15/2026, 01:45:56 UTC
Last updated: 09/15/2026, 03:01:22 UTC
Views: 2
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