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OpenAdvisories
High · 7.7 CVE-2026-20620 EUVD-2026-5927GHSA-3jj8-9qpj-6989

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,…

Published Feb 11, 2026 · Updated Apr 2, 2026 · Assigned by apple

Vendor: Apple Product: macOS Platform: macOS

Description

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.

Affected products

VendorProductAffectedFixed
Apple macOS < 14.8.4, < 15.7.4, < 26.3 14.8.4

Advisories 2

References