Medium severity4.3NVD Advisory· Published Aug 21, 2026· Updated Aug 24, 2026

CVE-2026-20679

Description

The issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. Processing a maliciously crafted file may lead to unexpected app termination.

Affected products

Apple Inc./macOS Sequoiallm-fuzzy
Range: 15.7.5
Apple Inc./macOS Sonomallm-fuzzy
Range: 14.8.5
Apple Inc./macOS Tahoellm-fuzzy
Range: 26.4

Patches

Vulnerability mechanics

References

support.apple.com/en-us/126794nvdRelease NotesVendor Advisory
support.apple.com/en-us/126795nvdRelease NotesVendor Advisory
support.apple.com/en-us/126796nvdRelease NotesVendor Advisory

News mentions

Apple Patches Six Vulnerabilities in macOS, watchOS, and Container Tech
Vypr Intelligence · Aug 21, 2026

cvss	0.280
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000