CVE-2026-43731

HighCVSS 8.8

Published: 29/06/2026(UTC)Updated: 30/06/2026(UTC)Translated: 01/07/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.20%

10th percentile — higher than 10% of all known CVEs

Summary

A use-after-free vulnerability was found in Safari and Apple systems (iOS, iPadOS, macOS) that could lead to memory corruption when processing maliciously crafted web content. The issue was fixed with improved memory management.

Risk Assessment

An attacker could exploit this vulnerability to execute arbitrary code remotely or cause a system crash, posing a serious risk to data confidentiality and integrity within the organization.

Recommendation

Immediately update Safari to version 26.5.2 and iOS/iPadOS/macOS Tahoe to version 26.5.2. Prioritize devices used for web browsing.

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 memory corruption.