An out-of-bounds read issue was addressed with improved input validation. (CVE-2026-86900)
An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27. Mounting a maliciously crafted exFAT volume may cause unexpected system termination or kernel memory disclosure.
AI Analysis
Technical Summary
CVE-2026-86900 is an out-of-bounds read vulnerability in macOS Golden Gate that occurs when mounting a specially crafted exFAT volume. This vulnerability allows reading memory outside of intended bounds, which may lead to system crashes or disclosure of kernel memory contents. The issue was resolved by improved input validation and is fixed in macOS Golden Gate 27.
Potential Impact
Successful exploitation may cause unexpected system termination (crash) or disclosure of kernel memory, which could lead to information leakage. There is no indication of remote code execution or privilege escalation in the provided data.
Mitigation Recommendations
Upgrade to macOS Golden Gate 27 or later, where this vulnerability has been fixed through improved input validation. No additional mitigation steps are indicated.
An out-of-bounds read issue was addressed with improved input validation. (CVE-2026-86900)
Description
An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27. Mounting a maliciously crafted exFAT volume may cause unexpected system termination or kernel memory disclosure.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-86900 is an out-of-bounds read vulnerability in macOS Golden Gate that occurs when mounting a specially crafted exFAT volume. This vulnerability allows reading memory outside of intended bounds, which may lead to system crashes or disclosure of kernel memory contents. The issue was resolved by improved input validation and is fixed in macOS Golden Gate 27.
Potential Impact
Successful exploitation may cause unexpected system termination (crash) or disclosure of kernel memory, which could lead to information leakage. There is no indication of remote code execution or privilege escalation in the provided data.
Mitigation Recommendations
Upgrade to macOS Golden Gate 27 or later, where this vulnerability has been fixed through improved input validation. No additional mitigation steps are indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-wpxh-v4gv-wjh5
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-86900"]
- State
- PUBLISHED
Threat ID: 6aa8a17d55bf5e2cf5f3c9e9
Added to database: 09/15/2026, 01:38:05 UTC
Last enriched: 09/15/2026, 01:44:37 UTC
Last updated: 09/15/2026, 03:01:22 UTC
Views: 2
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