CVE-2025-43520
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. A malicious application may be able to cause unexpected system termination or write kernel memory.
Known exploited
CVSS Score
5.5
EPSS Score
0.003
Published
2025-12-12
A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.3, macOS Tahoe 26.2. An app may be able to access sensitive user data.
CVSS Score
5.5
EPSS Score
0.0
Published
2025-12-12
A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Tahoe 26.1. A standard user may be able to view files made from a disk image belonging to an administrator.
CVSS Score
5.5
EPSS Score
0.0
Published
2025-12-12
The issue was addressed with improved checks. This issue is fixed in macOS Tahoe 26.1. An app may be able to access sensitive user data.
CVSS Score
5.5
EPSS Score
0.0
Published
2025-12-12
This issue was addressed with improved state management. This issue is fixed in macOS Tahoe 26.1. An app may be able to access sensitive user data.
CVSS Score
5.5
EPSS Score
0.0
Published
2025-12-12
The issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.3, macOS Sonoma 14.8.3, macOS Tahoe 26.2. An app may be able to cause a denial-of-service.
CVSS Score
5.5
EPSS Score
0.0
Published
2025-12-12
A mail header parsing issue was addressed with improved checks. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1, visionOS 26.1, watchOS 26.1. An attacker may be able to cause a persistent denial-of-service.
CVSS Score
7.5
EPSS Score
0.001
Published
2025-12-12
An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Tahoe 26.1. An app may be able to break out of its sandbox.
CVSS Score
5.2
EPSS Score
0.0
Published
2025-12-12
A logic error was addressed with improved error handling. This issue is fixed in macOS Tahoe 26.1. iCloud Private Relay may not activate when more than one user is logged in at the same time.
CVSS Score
7.5
EPSS Score
0.0
Published
2025-12-12
This issue was addressed with improved data protection. This issue is fixed in macOS Sequoia 15.7.3, macOS Sonoma 14.8.3, macOS Tahoe 26.2. An app may be able to access sensitive user data.
CVSS Score
5.5
EPSS Score
0.0
Published
2025-12-12