CVE-2026-43734
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk15th percentile — higher than 15% of all known CVEs
Summary
A use-after-free vulnerability was addressed with improved memory management in Safari, iOS, iPadOS, and macOS Tahoe. Processing maliciously crafted web content may lead to an unexpected process crash.
Risk Assessment
An attacker could exploit this vulnerability to cause a browser or system crash, potentially leading to denial of service or further privilege escalation.
Recommendation
It is recommended to immediately update Safari to version 26.5.2 and iOS/iPadOS/macOS Tahoe to version 26.5.2.
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. Processing maliciously crafted web content may lead to an unexpected process crash.