CVE-2026-84581: Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory in Apple macOS
A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory.
AI Analysis
Technical Summary
CVE-2026-84581 is a buffer overflow vulnerability in Apple macOS that occurs when mounting a specially crafted disk image. The flaw can lead to unexpected system termination or corruption of kernel memory. Apple addressed this issue by improving bounds checking. The vulnerability affects versions prior to macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Potential Impact
Successful exploitation may cause the system to terminate unexpectedly or corrupt kernel memory, potentially leading to system instability or crashes. 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 or later, where the vulnerability has been fixed with improved bounds checking.
CVE-2026-84581: Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory in Apple macOS
Description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory.
Affected software
Apple
macOS
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-84581 is a buffer overflow vulnerability in Apple macOS that occurs when mounting a specially crafted disk image. The flaw can lead to unexpected system termination or corruption of kernel memory. Apple addressed this issue by improving bounds checking. The vulnerability affects versions prior to macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Potential Impact
Successful exploitation may cause the system to terminate unexpectedly or corrupt kernel memory, potentially leading to system instability or crashes. 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 or later, where the vulnerability has been fixed with improved bounds checking.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T21:13:17.757Z
- State
- PUBLISHED
Threat ID: 6aa8610d55bf5e2cf59d2c04
Added to database: 09/14/2026, 21:03:09 UTC
Last enriched: 09/14/2026, 22:02:31 UTC
Last updated: 09/15/2026, 03:01:22 UTC
Views: 2
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