CVE-2026-86903
MediumCVSS 5.5Exploitation Probability (EPSS)
Low risk2th percentile - higher than 2% of all known CVEs
Summary
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. An app may be able to disclose kernel memory.
Risk Assessment
Kernel memory disclosure can provide an attacker with information that facilitates further attacks, including bypassing security protections. The risk affects devices running unpatched Apple OS versions.
Recommendation
Update iOS, iPadOS, macOS, tvOS, visionOS, or watchOS to the patched version. Avoid running untrusted applications until the update is applied.
Other vulnerabilities in iOS
See all- CVE-2023-42824HighActively exploited
The issue was addressed with improved checks. This issue is fixed in iOS 16.7.1 and iPadOS 16.7.1. A local attacker may be able to elevate their privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.6.
- CVE-2023-41992HighActively exploited
The issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.7, iOS 16.7 and iPadOS 16.7, macOS Ventura 13.6. A local attacker may be able to elevate their privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.
- CVE-2023-41990HighActively exploited
The issue was addressed with improved handling of caches. This issue is fixed in tvOS 16.3, iOS 16.3 and iPadOS 16.3, macOS Monterey 12.6.8, macOS Big Sur 11.7.9, iOS 15.7.8 and iPadOS 15.7.8, macOS Ventura 13.2, watchOS 9.3. Processing a font file may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.1.
- CVE-2021-30666HighActively exploited
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 12.5.3. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
- CVE-2026-113898Low risk· EPSS 17%
A logging issue in Apple operating systems was addressed with improved data redaction. A malicious application may be able to bypass Privacy preferences.
- CVE-2026-86904High
A privacy issue was addressed with improved state management. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, watchOS 27. An app may be able to track users across apps and websites without permission.
- CVE-2026-43674Medium
An authentication issue in iOS 27 and iPadOS 27 was addressed with improved state management. An attacker with physical access to an unlocked device may be able to view Wi-Fi passwords without authentication.
- CVE-2026-28938High
A privacy issue was addressed by moving sensitive data. The issue affects iOS 26.6 and iPadOS 26.6. An app may be able to fingerprint the user.
- CVE-2026-43653Medium
Improved memory handling in iOS, iPadOS, macOS, and tvOS. An attacker on the local network may cause a denial-of-service.
- CVE-2026-28957Low
An issue with app access to camera metadata was addressed with improved logic. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, visionOS 26.5. An app may be able to capture a user's screen.
Original NVD description (English source)
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. An app may be able to disclose kernel memory.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS