CVE-2026-84489
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk7th percentile - higher than 7% of all known CVEs
Summary
A buffer overflow vulnerability in Apple systems, fixed with improved bounds checking. An app may cause a denial of service.
Risk Assessment
An attacker could exploit this to cause system or application crashes, potentially leading to service disruption.
Recommendation
It is recommended to update systems to the versions listed in the description as soon as possible to mitigate the risk.
Other vulnerabilities in Apple iOS/iPadOS/macOS
See all- CVE-2026-64762Critical
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.
- CVE-2026-64738Critical
A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A malicious app may be able to break out of its sandbox.
- CVE-2026-64695Critical
The issue was addressed with improved memory handling. The vulnerability affects Apple systems and may allow a remote user to cause unexpected system termination or corrupt kernel memory.
- CVE-2026-43757Critical
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.
- CVE-2023-41991MediumActively exploited
A certificate validation issue was addressed. This issue is fixed in macOS Ventura 13.6, iOS 16.7 and iPadOS 16.7. A malicious app may be able to bypass signature validation. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.
- CVE-2023-41064HighActively exploited
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 16.6.1 and iPadOS 16.6.1, macOS Monterey 12.6.9, macOS Ventura 13.5.2, iOS 15.7.9 and iPadOS 15.7.9, macOS Big Sur 11.7.10. Processing a maliciously crafted image may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
- CVE-2022-32894HighActively exploited
An out-of-bounds write issue in Apple systems was addressed with improved bounds checking. This affects iOS 15.6.1, iPadOS 15.6.1, and macOS Monterey 12.5.1. An application may execute arbitrary code with kernel privileges.
- CVE-2022-22587CriticalActively exploited
A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 15.3 and iPadOS 15.3, macOS Big Sur 11.6.3, macOS Monterey 12.2. A malicious application may be able to execute arbitrary code with kernel privileges; Apple is aware of a report that this issue may have been actively exploited.
- CVE-2026-86924Medium
A memory corruption issue was addressed with improved input validation. The flaw affects iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, and macOS Tahoe 26.7. Connecting a malicious accessory may cause unexpected system termination.
- CVE-2026-86869Medium
An out-of-bounds write issue was addressed with improved bounds checking. The vulnerability affects iOS, iPadOS, and macOS. Processing a maliciously crafted image may lead to unexpected app termination.
Original NVD description (English source)
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. An app may be able to cause a denial of service.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS