CVE Catalog

CVE-2026-20644

MediumCVSS 6.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.30%

21th percentile - higher than 21% 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 addressed with improved memory handling.

Risk Assessment

An attacker could cause a browser or application crash, leading to user disruption and potential loss of unsaved data.

Recommendation

Immediately update Safari to version 26.3 and Apple operating systems to the specified versions: iOS 18.7.5, iPadOS 18.7.5, macOS Tahoe 26.3, visionOS 26.3.

Original NVD description (English source)

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. Processing maliciously crafted web content may lead to an unexpected process crash.

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