CVE-2026-84505: An app may be able to gain root privileges 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 gain root privileges.
AI Analysis
Technical Summary
CVE-2026-84505 is an out-of-bounds write vulnerability in Apple macOS that could allow an application to escalate privileges to root. The vulnerability was mitigated by improved bounds checking in the affected components. The issue is resolved in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Potential Impact
An attacker who successfully exploits this vulnerability could gain root privileges on the affected macOS system, potentially leading to full system compromise.
Mitigation Recommendations
Apply the official updates to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 to remediate this vulnerability. These versions include the fix via improved bounds checking.
CVE-2026-84505: An app may be able to gain root privileges 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 gain root privileges.
CVSS v3.1
Score 7.8high
Affected software
Apple
macOS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-84505 is an out-of-bounds write vulnerability in Apple macOS that could allow an application to escalate privileges to root. The vulnerability was mitigated by improved bounds checking in the affected components. The issue is resolved in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Potential Impact
An attacker who successfully exploits this vulnerability could gain root privileges on the affected macOS system, potentially leading to full system compromise.
Mitigation Recommendations
Apply the official updates to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 to remediate this vulnerability. These versions include the fix via improved bounds checking.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T21:13:17.748Z
- State
- PUBLISHED
Threat ID: 6aa8610255bf5e2cf59d2834
Added to database: 09/14/2026, 21:02:58 UTC
Last enriched: 09/14/2026, 22:29:43 UTC
Last updated: 09/15/2026, 03:01:23 UTC
Views: 3
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