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CVE-2026-20679

Quick assessment

Affected
Apple macOS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apple macOS是美国Apple公司的一款桌面操作系统。 Apple macOS Sequoia 15.7.5之前版本、Apple macOS Sonoma 14.8.5之前版本和Apple macOS Tahoe 26.4之前版本存在安全漏洞，该漏洞源于对恶意制作的文件检查不足，可能导致应用程序意外终止。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.36% · P28

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 3

VendorProduct Version RangeStatus
Apple macOS < 14.8.5 affected
< 15.7.5 affected
< 26.4 affected
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I. Basic Information for CVE-2026-20679

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Apple macOS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple macOS是美国Apple公司的一款桌面操作系统。 Apple macOS Sequoia 15.7.5之前版本、Apple macOS Sonoma 14.8.5之前版本和Apple macOS Tahoe 26.4之前版本存在安全漏洞，该漏洞源于对恶意制作的文件检查不足，可能导致应用程序意外终止。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apple macOS 0 ~ 14.8.5 -

II. Public POCs for CVE-2026-20679

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-20679

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Vendor Advisories for CVE-2026-20679 (3)

IV. Related Vulnerabilities

Same product: macOS
Same vendor: Apple

V. Comments for CVE-2026-20679

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