CVE-2026-28903

MediumCVSS 6.5

Published: 11/05/2026(UTC)Updated: 30/06/2026(UTC)Translated: 01/07/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.39%

31th percentile - higher than 31% of all known CVEs

Summary

A vulnerability in WebKit may cause a process crash when processing maliciously crafted web content. The issue was addressed with improved memory handling.

Risk Assessment

An attacker could crash the browser or any application using WebKit, leading to denial of service (DoS) and potential disruption of user operations.

Recommendation

Immediately update Apple systems to Safari 26.5, iOS 18.7.9, iPadOS 18.7.9, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, or watchOS 26.5.

Original NVD description (English source)

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected process crash.