CVE-2026-20611

HIGH 7.8

CVSS Score

7.8

EPSS Score

0.0%

EPSS Percentile

0th

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.

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

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Affected Versions

Apple / iOS and iPadOS

0 < 18.7.5 0 < 26.3

Apple / macOS

0 < 14.8.4 0 < 15.7.4 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/126349 support.apple.com: https://support.apple.com/en-us/126350 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 zerodayinitiative.com: https://www.zerodayinitiative.com/advisories/ZDI-26-173/