CVE-2026-20635

MEDIUM 4.3

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	apple
Product	safari
Ecosystems	iOS macOS
Industries	Technology
Published	Feb 11, 2026
Last Updated	Apr 2, 2026

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Affected Versions

Apple / Safari

0 < 26.3

Apple / iOS and iPadOS

0 < 18.7.5 0 < 26.3

Apple / macOS

0 < 26.3

Apple / tvOS

0 < 26.3

Apple / visionOS

0 < 26.3

Apple / watchOS

0 < 26.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

support.apple.com: https://support.apple.com/en-us/126346 support.apple.com: https://support.apple.com/en-us/126347 support.apple.com: https://support.apple.com/en-us/126348 support.apple.com: https://support.apple.com/en-us/126351 support.apple.com: https://support.apple.com/en-us/126352 support.apple.com: https://support.apple.com/en-us/126353 support.apple.com: https://support.apple.com/en-us/126354