CVE-2026-43709
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk21th percentile - higher than 21% of all known CVEs
Summary
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected process crash.
Risk Assessment
An attacker could exploit the use-after-free to cause a process crash or potentially execute arbitrary code in the browser context.
Recommendation
Immediately update Safari, iOS, iPadOS, macOS, tvOS, visionOS, and watchOS to the patched versions.
Other vulnerabilities in WebKit
See all- CVE-2017-7160High
An issue was discovered in certain Apple products affecting iOS before 11.2, Safari before 11.0.2, iCloud before 7.2 on Windows, iTunes before 12.7.2 on Windows, and tvOS before 11.2. The issue involves the 'WebKit' component and allows remote attackers to execute arbitrary code or cause a denial of service via a crafted web site.
- CVE-2017-7157High
An issue was discovered in certain Apple products, including iOS, Safari, iCloud, iTunes, and tvOS. The vulnerability in the 'WebKit' component allows remote attackers to execute arbitrary code or cause a denial of service via a crafted website.
- CVE-2017-7156High
An issue was discovered in certain Apple products related to the 'WebKit' component. Affects iOS before 11.2, Safari before 11.0.2, iCloud before 7.2 on Windows, iTunes before 12.7.2 on Windows, and tvOS before 11.2. This issue allows remote attackers to execute arbitrary code or cause a denial of service via a crafted website.
- CVE-2017-13870High
An issue was discovered in certain Apple products affecting iOS before 11.2, Safari before 11.0.2, iCloud before 7.2 on Windows, iTunes before 12.7.2 on Windows, and tvOS before 11.2. The issue involves the 'WebKit' component and allows remote attackers to execute arbitrary code or cause a denial of service via a crafted website.
- CVE-2017-13866High
An issue was discovered in certain Apple products affecting iOS before 11.2, Safari before 11.0.2, iCloud before 7.2 on Windows, iTunes before 12.7.2 on Windows, and tvOS before 11.2. The issue involves the 'WebKit' component, allowing remote attackers to execute arbitrary code or cause a denial of service via a crafted website.
- CVE-2017-13856High
An issue was discovered in certain Apple products related to the 'WebKit' component. Affects iOS before 11.2, Safari before 11.0.2, iCloud before 7.2 on Windows, iTunes before 12.7.2 on Windows, and tvOS before 11.2. This issue allows remote attackers to execute arbitrary code or cause a denial of service via a crafted website.
- CVE-2017-13803High
An issue was discovered in certain Apple products affecting iOS before 11.1, Safari before 11.0.1, iCloud before 7.1 on Windows, iTunes before 12.7.1 on Windows, and tvOS before 11.1. The issue involves the 'WebKit' component and allows remote attackers to execute arbitrary code or cause a denial of service via a crafted web site.
- CVE-2017-13802High
An issue was discovered in certain Apple products related to the 'WebKit' component. It affects iOS before 11.1, Safari before 11.0.1, iCloud before 7.1 on Windows, iTunes before 12.7.1 on Windows, and tvOS before 11.1. This issue allows remote attackers to execute arbitrary code or cause a denial of service.
- CVE-2017-13798High
An issue was discovered in certain Apple products related to the 'WebKit' component. Affects iOS before 11.1, Safari before 11.0.1, iCloud before 7.1 on Windows, iTunes before 12.7.1 on Windows, and tvOS before 11.1. This issue allows remote attackers to execute arbitrary code or cause a denial of service via a crafted web site.
- CVE-2017-13797High
An issue was discovered in certain Apple products affecting iOS before 11.1, Safari before 11.0.1, iCloud before 7.1 on Windows, iTunes before 12.7.1 on Windows, and tvOS before 11.1. The issue involves the 'WebKit' component and allows remote attackers to execute arbitrary code or cause a denial of service via a crafted web site.
Original NVD description (English source)
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected process crash.