CVE-2026-20620

CVSS 7.7 HIGHEPSS 0.2%CWE-125

An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. An attacker may be able to cause unexpected system termination or read kernel memory.

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected products

Apple · macOS

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References

https://support.apple.com/en-us/126348 https://support.apple.com/en-us/126349 https://support.apple.com/en-us/126350