CVE-2026-84619: An app may be able to cause unexpected system termination or write kernel memory in Apple macOS
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination or write kernel memory.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds write in Apple macOS, which could be exploited by an application to cause unexpected system termination or to write to kernel memory. The issue was resolved by implementing improved bounds checking. The fix is included in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Potential Impact
An attacker controlling an app could exploit this vulnerability to cause the system to crash unexpectedly or potentially write to kernel memory, which may lead to privilege escalation or system instability.
Mitigation Recommendations
Apply the official fixes by upgrading to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7. These versions include improved bounds checking that resolves the vulnerability.
CVE-2026-84619: An app may be able to cause unexpected system termination or write kernel memory in Apple macOS
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination or write kernel memory.
Affected software
Apple
macOS
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds write in Apple macOS, which could be exploited by an application to cause unexpected system termination or to write to kernel memory. The issue was resolved by implementing improved bounds checking. The fix is included in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Potential Impact
An attacker controlling an app could exploit this vulnerability to cause the system to crash unexpectedly or potentially write to kernel memory, which may lead to privilege escalation or system instability.
Mitigation Recommendations
Apply the official fixes by upgrading to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7. These versions include improved bounds checking that resolves the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T21:13:23.286Z
- State
- PUBLISHED
Threat ID: 6aa8611355bf5e2cf59d2e91
Added to database: 09/14/2026, 21:03:15 UTC
Last enriched: 09/14/2026, 21:47:41 UTC
Last updated: 09/15/2026, 08:01:23 UTC
Views: 6
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