CVE-2026-28827 — CRITICAL (9.3)

Q: How severe is CVE-2026-28827?

CVE-2026-28827 has been rated CRITICAL with a CVSS base score of 9.3/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-28827?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Macos.

Vulnerability Description

A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to break out of its sandbox.

CVSS Score

9.3

CRITICAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Apple	Macos	>= 14.0, < 14.8.5

Related Weaknesses (CWE)

CWE-22

References

https://support.apple.com/en-us/126794Release NotesVendor Advisory
https://support.apple.com/en-us/126795Release NotesVendor Advisory
https://support.apple.com/en-us/126796Release NotesVendor Advisory

FAQ

What is CVE-2026-28827?

CVE-2026-28827 is a vulnerability with a CVSS score of 9.3 (CRITICAL). A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able t...

How severe is CVE-2026-28827?

CVE-2026-28827 has been rated CRITICAL with a CVSS base score of 9.3/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-28827?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Macos.