CVE Catalog

CVE-2026-43663

MediumCVSS 6.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.19%

9th percentile — higher than 9% of all known CVEs

Summary

A vulnerability in Safari and Apple systems may cause a process crash when processing maliciously crafted web content. The issue was fixed with improved memory handling.

Risk Assessment

An attacker could crash the browser or application, disrupting user work and potentially causing loss of unsaved data.

Recommendation

Immediately update Safari to version 26.5.2 and iOS/iPadOS/macOS Tahoe to version 26.5.2.

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. Processing maliciously crafted web content may lead to an unexpected process crash.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS