CVE-2026-20679: Processing a maliciously crafted file may lead to unexpected app termination in Apple macOS
CVE-2026-20679 is a vulnerability in Apple macOS where processing a maliciously crafted file may cause unexpected application termination. The issue has been addressed with improved checks and fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, and macOS Tahoe 26.4.
AI Analysis
Technical Summary
This vulnerability involves a flaw in macOS that allows a specially crafted file to cause an application to terminate unexpectedly. Apple has fixed the issue by implementing improved validation checks in the specified macOS versions. No further technical details or exploitation methods are provided.
Potential Impact
Successful exploitation results in unexpected termination of an application processing a malicious file, potentially causing denial of service for that application. There is no indication of code execution or privilege escalation.
Mitigation Recommendations
Apply the official fixes by upgrading to macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, or macOS Tahoe 26.4. No other mitigation guidance is provided.
CVE-2026-20679: Processing a maliciously crafted file may lead to unexpected app termination in Apple macOS
Description
CVE-2026-20679 is a vulnerability in Apple macOS where processing a maliciously crafted file may cause unexpected application termination. The issue has been addressed with improved checks and fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, and macOS Tahoe 26.4.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a flaw in macOS that allows a specially crafted file to cause an application to terminate unexpectedly. Apple has fixed the issue by implementing improved validation checks in the specified macOS versions. No further technical details or exploitation methods are provided.
Potential Impact
Successful exploitation results in unexpected termination of an application processing a malicious file, potentially causing denial of service for that application. There is no indication of code execution or privilege escalation.
Mitigation Recommendations
Apply the official fixes by upgrading to macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, or macOS Tahoe 26.4. No other mitigation guidance is provided.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2025-11-11T14:43:07.872Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a87a15cacd9273b496328d6
Added to database: 08/21/2026, 00:52:44 UTC
Last enriched: 08/21/2026, 01:07:25 UTC
Last updated: 08/21/2026, 01:54:26 UTC
Views: 6
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