macOS Sequoia 15.7.3 Security Update

What macOS Sequoia 15.7.3 Fixes

macOS Sequoia 15.7.3, released December 12, 2025, fixes 26 vulnerabilities in 18 parts of the system, according to Apple's security advisory.

Apple does not say that any of them were exploited before the fix. That makes macOS Sequoia 15.7.3 a routine security update: worth installing soon, not an emergency.

It has since been superseded: the newest security release for macOS Sequoia is macOS Sequoia 15.8.2, from October 26, 2026, which includes these fixes.

Grouped by us from the impact Apple gives for each fix; the impact lines below are Apple's own.

Which Devices Get macOS Sequoia 15.7.3

Apple lists macOS Sequoia 15.7.3 for: macOS Sequoia.

How to Install macOS Sequoia 15.7.3

On the Mac, open System Settings → General → Software Update. Macs that cannot run the newest macOS are offered the update for their own version there.

Security fixes are cumulative: any later release for the same version includes these as well, so if you are already past macOS Sequoia 15.7.3 there is nothing to do.

Every Fix in macOS Sequoia 15.7.3

All 26 CVEs in Apple's advisory, the most serious kinds first. Each entry is the part of the system affected, Apple's description of the impact and the fix, and the CVE ID.

• AppleMobileFileIntegrity

  An app may be able to bypass launch constraint protections and execute malicious code with elevated privileges

  The issue was addressed by adding additional logic.

  CVE-2025-43320

• Kernel

  An app may be able to elevate privileges

  A logic issue was addressed with improved checks.

  CVE-2025-43512

• Kernel

  An app may be able to gain root privileges

  An integer overflow was addressed by adopting 64-bit timestamps.

  CVE-2025-46285

• StorageKit

  An app may be able to gain root privileges

  A permissions issue was addressed with additional restrictions.

  CVE-2025-43527

• AppleMobileFileIntegrity

  An app may be able to access user-sensitive data

  A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions.

  CVE-2025-43522

• AppleMobileFileIntegrity

  An app may be able to access sensitive user data

  A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions.

  CVE-2025-43521

• AppleMobileFileIntegrity

  An app may be able to access sensitive user data

  A permissions issue was addressed with additional restrictions.

  CVE-2025-43519 CVE-2025-43523

• AppSandbox

  An app may be able to access protected user data

  A logic issue was addressed with improved file handling.

  CVE-2025-46289

• Call History

  An app may be able to access protected user data

  A privacy issue was addressed with improved private data redaction for log entries.

  CVE-2025-43517

• FaceTime

  Password fields may be unintentionally revealed when remotely controlling a device over FaceTime

  This issue was addressed with improved state management.

  CVE-2025-43542

• MDM Configuration Tools

  An app may be able to read sensitive location information

  A permissions issue was addressed by removing the vulnerable code.

  CVE-2025-43513

• Messages

  An app may be able to access sensitive user data

  An information disclosure issue was addressed with improved privacy controls.

  CVE-2025-46276

• Networking

  An app may be able to access sensitive user data

  This issue was addressed with improved data protection.

  CVE-2025-43509

• SoftwareUpdate

  An app may be able to access sensitive user data

  A permissions issue was addressed with additional restrictions.

  CVE-2025-43519

• StorageKit

  An app may be able to access sensitive user data

  A parsing issue in the handling of directory paths was addressed with improved path validation.

  CVE-2025-43463

• sudo

  An app may be able to access protected user data

  A logic issue was addressed with improved restrictions.

  CVE-2025-43416

• VoiceOver

  An app may be able to access sensitive user data

  This issue was addressed with improved checks.

  CVE-2025-43530

• Call History

  An attacker may be able to spoof their FaceTime caller ID

  An inconsistent user interface issue was addressed with improved state management.

  CVE-2025-46287

• AppleJPEG

  Processing a file may lead to memory corruption

  The issue was addressed with improved bounds checks.

  CVE-2025-43539

• Audio

  An app may be able to cause a denial-of-service

  The issue was addressed with improved input validation.

  CVE-2025-43482

• Foundation

  Processing malicious data may lead to unexpected app termination

  A memory corruption issue was addressed with improved bounds checking.

  CVE-2025-43532

• libarchive

  Processing a file may lead to memory corruption

  This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org .

  CVE-2025-5918

• curl

  Multiple issues in curl

  This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org .

  CVE-2024-7264 CVE-2025-9086

• Foundation

  An app may be able to inappropriately access files through the spellcheck API

  A logic issue was addressed with improved checks.

  CVE-2025-43518

• Voice Control

  A user with Voice Control enabled may be able to transcribe another user's activity

  A session management issue was addressed with improved checks.

  CVE-2025-43516

macOS Sequoia Security Release History

macOS Sequoia 15.7.3 in context: the security releases Apple has published for macOS Sequoia, newest first, with the number of fixes each carried.

The Same Fixes Elsewhere

Apple ships most fixes to every platform that shares the code, and to older versions still under support. These releases close at least one of the same CVEs:

Frequently Asked Questions