CVE Catalog

CVE-2026-20635

MediumCVSS 4.3
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 allows unexpected process termination when processing maliciously crafted web content. The issue was fixed by improving memory handling.

Risk Assessment

An attacker could exploit this vulnerability to crash the browser or application, leading to denial of service (DoS) and potentially enabling further attacks.

Recommendation

Immediately update Safari to version 26.3 and iOS/iPadOS/macOS/tvOS/visionOS/watchOS to the latest versions mentioned in the advisory.

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, tvOS 26.3, visionOS 26.3, watchOS 26.3. Processing maliciously crafted web content may lead to an unexpected process crash.

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