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.

Affected products

Apple Inc./macOS
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Range: >=14.0,<14.8.4

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

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

No linked articles in our index yet.

cvss	0.501
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000