App Termination Vulnerability in macOS by Apple
CVE-2026-20679

Currently unrated

Key Information:

Vendor

Apple

Status
Vendor
CVE Published:
21 August 2026

What is CVE-2026-20679?

A vulnerability in Apple's macOS allows for unexpected application termination when processing specially crafted files. This could potentially be exploited, leading to disruptions in user experience and application stability. Apple has released updates to address this vulnerability, improving the system's input validation mechanisms in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, and macOS Tahoe 26.4 to mitigate these risks.

Affected Version(s)

macOS 0 < 14.8.5

macOS 0 < 15.7.5

macOS 0 < 26.4

References

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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