CVE-2025-43238
MediumCVSS 6.2Exploitation Probability (EPSS)
Low risk10th percentile - higher than 10% of all known CVEs
Summary
In macOS Sequoia 15.6, macOS Sonoma 14.7.7, and macOS Ventura 13.7.7, an integer overflow was fixed with improved input validation. An app may be able to cause unexpected system termination.
Risk Assessment
An attacker could exploit this vulnerability to cause a system crash (DoS), potentially disrupting services and affecting system availability.
Recommendation
It is recommended to update macOS to Sequoia 15.6, Sonoma 14.7.7, or Ventura 13.7.7, which include the fix.
Other vulnerabilities in macOS
See all- CVE-2026-39870High
The issue was addressed with improved memory handling. Exploitation of this vulnerability may lead to process memory corruption when processing a maliciously crafted image.
- CVE-2026-28915High
A parsing issue in the handling of directory paths was addressed with improved path validation. An app may be able to gain root privileges.
- CVE-2026-65414Critical
An out-of-bounds write issue in Apple products was addressed with improved bounds checking. A remote attacker may be able to cause unexpected app termination or arbitrary code execution. This issue is fixed in iOS 26.7, iPadOS 26.7, iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, and watchOS 27.
- CVE-2026-65381Critical
A validation issue in entitlement verification in macOS Golden Gate 27, Sequoia 15.8, and Tahoe 26.7. A malicious app may break out of its sandbox.
- CVE-2026-65400CriticalActively exploited
An authentication issue in Apple products was addressed with improved state management. An attacker on the network may be able to authenticate to Screen Sharing without valid credentials. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.7.9, macOS Sonoma 14.8.9, macOS Tahoe 26.6.1, and macOS Tahoe 26.7.
- CVE-2026-43773Critical
An out-of-bounds read was fixed with improved bounds checking. Fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6. Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory.
- CVE-2026-43764Critical
An integer overflow was addressed with improved input validation. An app may cause unexpected system termination.
- CVE-2026-43750Critical
A buffer overflow in macOS allows an app to execute arbitrary code out of its sandbox or with elevated privileges. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, and macOS Tahoe 26.6.
- CVE-2026-43748Critical
An out-of-bounds write issue in Apple products was addressed with improved bounds checking. An app may be able to cause unexpected system termination. This issue is fixed in iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, and macOS Tahoe 26.6.
- CVE-2026-43710Critical
Vulnerability in macOS (Sequoia, Sonoma, Tahoe) allowing an attacker to cause unexpected system termination or corrupt kernel memory. Fixed with improved memory handling.
Original NVD description (English source)
An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7. An app may be able to cause unexpected system termination.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS