CVE-2025-43278
5.5 · MEDIUMOverview
CVE-2025-43278 is a medium-severity vulnerability affecting apple macos. It was published on June 11, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
This issue was addressed with improved handling of symlinks. This issue is fixed in macOS Sequoia 15.4. An app may be able to access protected user data.
Remediation
Check the references section for vendor advisories and patches from apple. Update macos to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| apple | macos | >= 0, < 15.4 | Affected |
References
Frequently Asked Questions
What is CVE-2025-43278?
CVE-2025-43278 is a medium-severity vulnerability affecting apple macos. It was published on June 11, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2025-43278?
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-43278?
Check the references section for vendor advisories and patches from apple. Update macos to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-43278?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-43278 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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