A race condition was addressed with improved locking. (CVE-2026-43783)
A race condition was addressed with improved locking. This issue is fixed in macOS Tahoe 26.6. A malicious app may be able to gain root privileges.
AI Analysis
Technical Summary
This vulnerability involves a race condition that was mitigated by improved locking in macOS Tahoe. Exploitation of this flaw could allow a malicious app with limited privileges to escalate to root privileges. The issue is fixed in macOS Tahoe 26.6. The CVSS 3.1 vector indicates the attack requires local access with low complexity and no user interaction, and it impacts confidentiality, integrity, and availability at a high level.
Potential Impact
A successful exploit could allow a local attacker with some privileges to escalate to root privileges, compromising system confidentiality, integrity, and availability. This could lead to full system compromise by a malicious application.
Mitigation Recommendations
The vulnerability is fixed in macOS Tahoe 26.6. Users and administrators should update to this version to remediate the issue. No additional mitigations are indicated or required beyond applying the official fix.
A race condition was addressed with improved locking. (CVE-2026-43783)
Description
A race condition was addressed with improved locking. This issue is fixed in macOS Tahoe 26.6. A malicious app may be able to gain root privileges.
CVSS v3.1
Score 7.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a race condition that was mitigated by improved locking in macOS Tahoe. Exploitation of this flaw could allow a malicious app with limited privileges to escalate to root privileges. The issue is fixed in macOS Tahoe 26.6. The CVSS 3.1 vector indicates the attack requires local access with low complexity and no user interaction, and it impacts confidentiality, integrity, and availability at a high level.
Potential Impact
A successful exploit could allow a local attacker with some privileges to escalate to root privileges, compromising system confidentiality, integrity, and availability. This could lead to full system compromise by a malicious application.
Mitigation Recommendations
The vulnerability is fixed in macOS Tahoe 26.6. Users and administrators should update to this version to remediate the issue. No additional mitigations are indicated or required beyond applying the official fix.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-m6q6-26j6-5p7f
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-43783"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa8a16755bf5e2cf5f3b7e2
Added to database: 09/15/2026, 01:37:43 UTC
Last enriched: 09/15/2026, 01:42:43 UTC
Last updated: 09/15/2026, 03:01:22 UTC
Views: 2
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