CVE-2026-84516: Processing a maliciously crafted file may result in unexpected app termination or disclosure of process memory in Apple macOS
CVE-2026-84516 is a vulnerability in Apple macOS where processing a maliciously crafted file may cause unexpected application termination or disclosure of process memory. The issue stems from an out-of-bounds read that has been fixed with improved bounds checking. The vulnerability affects macOS versions prior to Golden Gate 27, Sequoia 15.8, and Tahoe 26.7. No CVSS score is provided for this vulnerability.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds read in Apple macOS that can be triggered by processing a specially crafted file. The flaw may lead to unexpected termination of applications or disclosure of process memory contents. Apple addressed the issue by implementing improved bounds checking in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Versions earlier than these are affected.
Potential Impact
Successful exploitation can cause affected applications to crash unexpectedly or leak portions of process memory, potentially exposing sensitive information. There is no indication of active exploitation in the wild at this time.
Mitigation Recommendations
Apply the official fixes by upgrading to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 or later. These versions include improved bounds checking that resolves the vulnerability. No other mitigation is indicated.
CVE-2026-84516: Processing a maliciously crafted file may result in unexpected app termination or disclosure of process memory in Apple macOS
Description
CVE-2026-84516 is a vulnerability in Apple macOS where processing a maliciously crafted file may cause unexpected application termination or disclosure of process memory. The issue stems from an out-of-bounds read that has been fixed with improved bounds checking. The vulnerability affects macOS versions prior to Golden Gate 27, Sequoia 15.8, and Tahoe 26.7. No CVSS score is provided for this vulnerability.
Affected software
Apple
macOS
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds read in Apple macOS that can be triggered by processing a specially crafted file. The flaw may lead to unexpected termination of applications or disclosure of process memory contents. Apple addressed the issue by implementing improved bounds checking in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. Versions earlier than these are affected.
Potential Impact
Successful exploitation can cause affected applications to crash unexpectedly or leak portions of process memory, potentially exposing sensitive information. There is no indication of active exploitation in the wild at this time.
Mitigation Recommendations
Apply the official fixes by upgrading to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 or later. These versions include improved bounds checking that resolves the vulnerability. No other mitigation is indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T21:13:17.749Z
- State
- PUBLISHED
Threat ID: 6aa8610455bf5e2cf59d283f
Added to database: 09/14/2026, 21:03:00 UTC
Last enriched: 09/14/2026, 22:30:29 UTC
Last updated: 09/15/2026, 03:01:22 UTC
Views: 4
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