CVE-2025-43464
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk30th percentile - higher than 30% of all known CVEs
Summary
A denial-of-service issue was addressed with improved input validation in macOS Tahoe 26.1. Visiting a website may lead to an app denial-of-service.
Risk Assessment
A user visiting a malicious website may experience app hangs or crashes, disrupting work and affecting service availability.
Recommendation
Update the system to macOS Tahoe 26.1 or later as soon as possible. Also inform users about the risks of visiting unknown websites.
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)
A denial-of-service issue was addressed with improved input validation. This issue is fixed in macOS Tahoe 26.1. Visiting a website may lead to an app denial-of-service.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS