CVE-2026-43740
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk29th percentile - higher than 29% of all known CVEs
Summary
In Safari 26.5.2, iOS 26.5.2, iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, and watchOS 26.6, memory handling was improved. Processing maliciously crafted web content may result in the disclosure of process memory.
Risk Assessment
An attacker can exploit this vulnerability to read process memory, potentially leading to leakage of sensitive data such as passwords or encryption keys.
Recommendation
Update Apple systems to the latest versions mentioned in the description.
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)
The issue was addressed with improved memory handling. 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 result in the disclosure of process memory.