High severity7.7NVD Advisory· Published Feb 11, 2026· Updated Apr 2, 2026

CVE-2026-20620

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./macOS
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Range: >=14.0,<14.8.4
Apple Inc./macOS Sequoiallm-fuzzy
Range: <15.7.4
Apple Inc./macOS Sonomallm-fuzzy
Range: <14.8.4
Apple Inc./macOS Tahoellm-fuzzy
Range: <26.3

Patches

Vulnerability mechanics

References

support.apple.com/en-us/126348nvdRelease NotesVendor Advisory
support.apple.com/en-us/126349nvdRelease NotesVendor Advisory
support.apple.com/en-us/126350nvdRelease NotesVendor Advisory

News mentions

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