CVE-2025-43331 — MEDIUM (4.0)

Q: What is CVE-2025-43331?

CVE-2025-43331 is a vulnerability with a CVSS score of 4.0 (MEDIUM). A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in macOS Tahoe 26. An app may be able to access protected user data.

Q: How severe is CVE-2025-43331?

CVE-2025-43331 has been rated MEDIUM with a CVSS base score of 4.0/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-43331?

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

Vulnerability Description

A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in macOS Tahoe 26. An app may be able to access protected user data.

CVSS Score

4.0

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Apple	Macos	< 26.0

Related Weaknesses (CWE)

CWE-862

References

https://support.apple.com/en-us/125110Release NotesVendor Advisory
http://seclists.org/fulldisclosure/2025/Sep/53

FAQ

What is CVE-2025-43331?

CVE-2025-43331 is a vulnerability with a CVSS score of 4.0 (MEDIUM). A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in macOS Tahoe 26. An app may be able to access protected user data.

How severe is CVE-2025-43331?

CVE-2025-43331 has been rated MEDIUM with a CVSS base score of 4.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-43331?

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