CVE-2026-86917 — HIGH (7.8)

Q: What is CVE-2026-86917?

CVE-2026-86917 is a vulnerability with a CVSS score of 7.8 (HIGH). A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to gain root privileges.

Q: How severe is CVE-2026-86917?

CVE-2026-86917 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-86917?

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

Vulnerability Description

A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to gain root privileges.

CVSS Score

7.8

HIGH

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Apple	Macos	>= 15.0, < 15.8

Related Weaknesses (CWE)

CWE-280

References

https://support.apple.com/en-us/149035Release NotesVendor Advisory
https://support.apple.com/en-us/149042Release NotesVendor Advisory
https://support.apple.com/en-us/149043Release NotesVendor Advisory

FAQ

What is CVE-2026-86917?

CVE-2026-86917 is a vulnerability with a CVSS score of 7.8 (HIGH). A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to gain root privileges.

How severe is CVE-2026-86917?

CVE-2026-86917 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-86917?

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