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CVE-2026-43670

Quick assessment

Affected
Apple Safari
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 Safari是美国Apple公司的一款网页浏览器。 Apple Safari 26.5之前版本、Apple iOS 18.7.9之前版本和Apple iOS 26.5之前版本、Apple iPadOS 18.7.9之前版本和Apple iPadOS 26.5之前版本和Apple macOS Tahoe 26.5之前版本存在安全漏洞，该漏洞源于AudioWorklet环境中的内容安全策略绕过问题，可能导致处理恶意制作的Web内容时绕过内容安全策略。

AI Predicted 6.1 Difficulty: Moderate EPSS 0.23% · P14

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell

Affected Version Matrix 4

VendorProduct Version RangeStatus
Apple iOS and iPadOS < 18.7.9 affected
< 26.5 affected
Apple macOS < 26.5 affected
Apple Safari < 26.5 affected
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I. Basic Information for CVE-2026-43670

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A Content Security Policy bypass was addressed with improved enforcement in AudioWorklet contexts. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5. Processing maliciously crafted web content may bypass Content Security Policy.
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 Safari 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apple Safari是美国Apple公司的一款网页浏览器。 Apple Safari 26.5之前版本、Apple iOS 18.7.9之前版本和Apple iOS 26.5之前版本、Apple iPadOS 18.7.9之前版本和Apple iPadOS 26.5之前版本和Apple macOS Tahoe 26.5之前版本存在安全漏洞，该漏洞源于AudioWorklet环境中的内容安全策略绕过问题，可能导致处理恶意制作的Web内容时绕过内容安全策略。
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 Safari 0 ~ 26.5 -
Apple iOS and iPadOS 0 ~ 18.7.9 -
Apple macOS 0 ~ 26.5 -

II. Public POCs for CVE-2026-43670

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III. Intelligence Information for CVE-2026-43670

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Vendor Advisories for CVE-2026-43670 (2)

Same Patch Batch · Apple · 2026-08-25 · 4 CVEs total

CVE-2026-43657 Apple iOS 安全漏洞
CVE-2026-64705 Apple macOS 安全漏洞
CVE-2026-65367 Apple iOS 安全漏洞

IV. Related Vulnerabilities

Same product: Safari
Same vendor: Apple

V. Comments for CVE-2026-43670

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