A buffer overflow was addressed with improved bounds checking. (CVE-2026-84512)
A buffer overflow vulnerability in macOS was addressed by improved bounds checking. Exploiting this flaw by mounting a maliciously crafted disk image could cause unexpected system termination or corrupt kernel memory. The issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
AI Analysis
Technical Summary
CVE-2026-84512 is a buffer overflow vulnerability in macOS that could be triggered by mounting a specially crafted disk image. The flaw allows for potential corruption of kernel memory or unexpected system termination. Apple fixed the issue by improving bounds checking in the affected components. The fixed versions are macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Potential Impact
Successful exploitation may lead to system crashes or kernel memory corruption, which could affect system stability and security. There is no indication of active exploitation in the wild.
Mitigation Recommendations
Apply the official patches by upgrading to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7, where the vulnerability has been fixed with improved bounds checking.
A buffer overflow was addressed with improved bounds checking. (CVE-2026-84512)
Description
A buffer overflow vulnerability in macOS was addressed by improved bounds checking. Exploiting this flaw by mounting a maliciously crafted disk image could cause unexpected system termination or corrupt kernel memory. The issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-84512 is a buffer overflow vulnerability in macOS that could be triggered by mounting a specially crafted disk image. The flaw allows for potential corruption of kernel memory or unexpected system termination. Apple fixed the issue by improving bounds checking in the affected components. The fixed versions are macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Potential Impact
Successful exploitation may lead to system crashes or kernel memory corruption, which could affect system stability and security. There is no indication of active exploitation in the wild.
Mitigation Recommendations
Apply the official patches by upgrading to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7, where the vulnerability has been fixed with improved bounds checking.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-j7g7-8fc9-x6qg
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-84512"]
- State
- PUBLISHED
Threat ID: 6aa8a1a255bf5e2cf5f3d4d8
Added to database: 09/15/2026, 01:38:42 UTC
Last enriched: 09/15/2026, 01:50:25 UTC
Last updated: 09/15/2026, 03:01:22 UTC
Views: 2
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