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.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products 3
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Apple Macos
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
|
14.0
|
14.8.5
|
|
Apple Macos
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
|
15.0
|
15.7.5
|
|
Apple Macos
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
|
26.0
|
26.3
|