CVE-2026-20699 — MEDIUM (6.2)

Q: How severe is CVE-2026-20699?

CVE-2026-20699 has been rated MEDIUM with a CVSS base score of 6.2/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-20699?

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

Vulnerability Description

A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, macOS Tahoe 26.4. An app may be able to access user-sensitive data.

CVSS Score

6.2

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Apple	Macos	>= 14.0, < 14.8.5

Related Weaknesses (CWE)

CWE-347

References

https://support.apple.com/en-us/126348Release NotesVendor Advisory
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-2026-20699?

CVE-2026-20699 is a vulnerability with a CVSS score of 6.2 (MEDIUM). A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, macOS...

How severe is CVE-2026-20699?

CVE-2026-20699 has been rated MEDIUM with a CVSS base score of 6.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-20699?

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