CVE-2026-20679

Malicious File Triggers Application Crash in macOS

Published Aug 21, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Title Malicious File Triggers Application Crash in macOS
Type Values Removed Values Added
Title Unexpected Application Termination on macOS Due to Malicious File Processing
Weaknesses CWE-20
Type Values Removed Values Added
Weaknesses CWE-125
CWE-416
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Unexpected Application Termination on macOS Due to Malicious File Processing
Weaknesses CWE-20
Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Aug 21, 2026, 7:48 PM
Reserved
Nov 11, 2025, 2:43 PM
Status
Analyzed
Published
Aug 21, 2026, 1:16 AM
Modified
Oct 18, 2026, 8:10 PM