CVE-2026-43806: A local attacker may be able to cause a denial of service in Apple macOS
A denial of service issue was addressed by removing the vulnerable code. This issue is fixed in macOS Tahoe 26.6. A local attacker may be able to cause a denial of service.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-43806) affects Apple macOS and involves a denial of service condition caused by vulnerable code that a local attacker with low privileges can trigger. The vulnerability is classified under CWE-400 (Uncontrolled Resource Consumption). The vendor fixed the issue by removing the vulnerable code in macOS Tahoe 26.6. The CVSS v3.1 base score is 5.5, reflecting a medium severity with attack vector local, low attack complexity, low privileges required, no user interaction, unchanged scope, no confidentiality or integrity impact, and high impact on availability.
Potential Impact
A local attacker with low privileges can cause a denial of service on the affected macOS system, impacting system availability. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
The vulnerability is fixed in macOS Tahoe 26.6 by removing the vulnerable code. Users should update to macOS Tahoe 26.6 or later to remediate this issue. Patch status is not explicitly confirmed beyond this fix version; verify with Apple advisories for the latest remediation guidance.
CVE-2026-43806: A local attacker may be able to cause a denial of service in Apple macOS
Description
A denial of service issue was addressed by removing the vulnerable code. This issue is fixed in macOS Tahoe 26.6. A local attacker may be able to cause a denial of service.
CVSS v3.1
Score 5.5medium
Affected software
Apple
macOS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-43806) affects Apple macOS and involves a denial of service condition caused by vulnerable code that a local attacker with low privileges can trigger. The vulnerability is classified under CWE-400 (Uncontrolled Resource Consumption). The vendor fixed the issue by removing the vulnerable code in macOS Tahoe 26.6. The CVSS v3.1 base score is 5.5, reflecting a medium severity with attack vector local, low attack complexity, low privileges required, no user interaction, unchanged scope, no confidentiality or integrity impact, and high impact on availability.
Potential Impact
A local attacker with low privileges can cause a denial of service on the affected macOS system, impacting system availability. There is no impact on confidentiality or integrity. No known exploits are reported in the wild.
Mitigation Recommendations
The vulnerability is fixed in macOS Tahoe 26.6 by removing the vulnerable code. Users should update to macOS Tahoe 26.6 or later to remediate this issue. Patch status is not explicitly confirmed beyond this fix version; verify with Apple advisories for the latest remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-05-01T22:46:27.821Z
- State
- PUBLISHED
Threat ID: 6a67c1bc9c2644c7f8cb1174
Added to database: 07/27/2026, 20:38:20 UTC
Last enriched: 07/29/2026, 23:34:12 UTC
Last updated: 09/11/2026, 22:08:24 UTC
Views: 67
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