Apple macOS vulnerabilities

CVE-2026-20639 [HIGH] CWE-190 CVE-2026-20639: An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequo An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3. Processing a maliciously crafted string may lead to heap corruption.

CVE-2026-20701 [HIGH] CWE-693 CVE-2026-20701: An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Seq An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to connect to a network share without user consent.

CVE-2026-20687 [HIGH] CWE-416 CVE-2026-20687: A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18. A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Tahoe 26.4, tvOS 26.4, watchOS 26.4. An app may be able to cause unexpected system termination or write kernel memory.

CVE-2026-28865 [HIGH] CWE-285 CVE-2026-28865: An authentication issue was addressed with improved state management. This issue is fixed in iOS 18. An authentication issue was addressed with improved state management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An attacker in a privileged network position may be able to intercept network traffic.

CVE-2026-28842 [HIGH] CWE-122 CVE-2026-28842: The issue was addressed with improved bounds checks. This issue is fixed in macOS Tahoe 26.4. A buff The issue was addressed with improved bounds checks. This issue is fixed in macOS Tahoe 26.4. A buffer overflow may result in memory corruption and unexpected app termination.

CVE-2026-28832 [HIGH] CWE-125 CVE-2026-28832: An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequ An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to disclose kernel memory.

CVE-2026-28894 [HIGH] CWE-20 CVE-2026-28894: A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 2 A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. A remote attacker may be able to cause a denial-of-service.

CVE-2026-20622 [HIGH] CWE-284 CVE-2026-20622: A privacy issue was addressed with improved handling of temporary files. This issue is fixed in macO A privacy issue was addressed with improved handling of temporary files. This issue is fixed in macOS Sequoia 15.7.4, macOS Tahoe 26.3. An app may be able to capture a user's screen.

CVE-2026-28821 [HIGH] CWE-20 CVE-2026-28821: A validation issue existed in the entitlement verification. This issue was addressed with improved v A validation issue existed in the entitlement verification. This issue was addressed with improved validation of the process entitlement. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to gain elevated privileges.

CVE-2026-28817 [HIGH] CWE-362 CVE-2026-28817: A race condition was addressed with improved state handling. This issue is fixed in macOS Sequoia 15 A race condition was addressed with improved state handling. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. A sandboxed process may be able to circumvent sandbox restrictions.

CVE-2026-28891 [HIGH] CWE-362 CVE-2026-28891: A race condition was addressed with additional validation. This issue is fixed in macOS Sequoia 15.7 A race condition was addressed with additional validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to break out of its sandbox.

CVE-2026-20698 [HIGH] CWE-787 CVE-2026-20698: The issue was addressed with improved memory handling. This issue is fixed in iOS 26.4 and iPadOS 26 The issue was addressed with improved memory handling. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to cause unexpected system termination or corrupt kernel memory.

CVE-2026-20694 [MEDIUM] CWE-59 CVE-2026-20694: This issue was addressed with improved handling of symlinks. This issue is fixed in iOS 26.3 and iPa This issue was addressed with improved handling of symlinks. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.4, macOS Sonoma 14.8.5, macOS Tahoe 26.3, macOS Tahoe 26.4. An app may be able to access user-sensitive data.

CVE-2026-28878 [MEDIUM] CWE-200 CVE-2026-28878: A privacy issue was addressed by removing sensitive data. This issue is fixed in iOS 18.7.7 and iPad A privacy issue was addressed by removing sensitive data. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An app may be able to enumerate a user's installed apps.

CVE-2026-28862 [MEDIUM] CWE-284 CVE-2026-28862: A privacy issue was addressed with improved private data redaction for log entries. This issue is fi A privacy issue was addressed with improved private data redaction for log entries. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to access user-sensitive data.

CVE-2026-20665 [MEDIUM] CWE-693 CVE-2026-20665: This issue was addressed through improved state management. This issue is fixed in Safari 26.4, iOS This issue was addressed through improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. Processing maliciously crafted web content may prevent Content Security Policy from being enforced.

CVE-2026-20690 [MEDIUM] CWE-125 CVE-2026-20690: An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iO An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. Processing an audio stream in a maliciously crafted media file may terminate the process.

CVE-2026-28816 [MEDIUM] CWE-22 CVE-2026-28816: A path handling issue was addressed with improved validation. This issue is fixed in macOS Sequoia 1 A path handling issue was addressed with improved validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to delete files for which it does not have permission.

CVE-2026-28859 [MEDIUM] CWE-125 CVE-2026-28859: The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. A malicious website may be able to process restricted web content outside the sandbox.

CVE-2026-20633 [MEDIUM] CWE-59 CVE-2026-20633: This issue was addressed with improved handling of symlinks. This issue is fixed in macOS Sequoia 15 This issue was addressed with improved handling of symlinks. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to access user-sensitive data.