Product:
macOS
Summary
A package validation issue was addressed by blocking the vulnerable package. This issue is fixed in macOS Tahoe 26.3. An app may be able to gain root privileges.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.8 | CVE-2026-20658 |
Exploitation
To exploit this vulnerability, an attacker would need to have local access to the system. By leveraging the package validation issue, the attacker could potentially install a malicious package that grants them root privileges, allowing them to execute arbitrary code with elevated permissions.
Affected Products
- macOS Tahoe 26.3 – The latest version that addresses the vulnerability.
Mitigation
To mitigate this issue, users should ensure they are running the latest version of macOS, which includes the necessary security updates to block the vulnerable package. Regularly updating the operating system and monitoring for any security advisories from Apple can help protect against similar vulnerabilities.