CVE Catalog

CVE-2026-43663

MediumCVSS 6.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.25%

17th percentile - higher than 17% of all known CVEs

Summary

A vulnerability in WebKit, fixed with improved memory handling. Processing maliciously crafted web content may lead to an unexpected process crash.

Risk Assessment

An attacker could cause a browser or application crash, potentially leading to denial of service and further exploitation.

Recommendation

Update Safari, iOS, iPadOS, macOS, tvOS, visionOS, and watchOS to the latest versions mentioned in the description.

Other vulnerabilities in WebKit

See all
Original NVD description (English source)

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected process crash.

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