CVE-2026-28844 Path traversal in macOS

What is CVE-2026-28844?

CVE-2026-28844 is a medium-severity path traversal vulnerability in Apple Macos, published on 25 Mar 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A file access issue was addressed with improved input validation. This issue is fixed in macOS Tahoe 26.4. An attacker may gain access to protected parts of the file system.

Which versions are affected by CVE-2026-28844?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2026-28844?

No fix has been published for CVE-2026-28844 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-28844 being exploited?

There is no known exploitation of CVE-2026-28844 in the wild and no public exploit code.

Other vulnerabilities in Apple Macos

• CVE-2026-65400 Apple macOS Improper Authentication Exploited Critical 9.8
• CVE-2024-44146 Security feature bypass in macOS Critical 10.0
• CVE-2024-44148 Security feature bypass in macOS Critical 10.0
• CVE-2023-38586 Security feature bypass in macOS Critical 10.0
• CVE-2023-40455 Security feature bypass in macOS Critical 10.0

All Apple Macos vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-4cw8-47wj-7w4j.