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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.

以下是对该漏洞描述信息的中文翻译： 内容安全策略（CSP）绕过问题已在 AudioWorklet 上下文中通过加强执行机制得以修复。此问题已在 Safari 26.5、iOS 18.7.9、iPadOS 18.7.9、iOS 26.5、iPadOS 26.5 和 macOS Tahoe 26.5 中修复。处理恶意构造的网页内容可能导致绕过内容安全策略（CSP）。

AI Predicted 6.1 Difficulty: Moderate

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

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

# POC Description Source Link Shenlong Link
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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 iOS/iPadOS 26.5应用枚举漏洞
CVE-2026-64705 macOS序列号/子版本缓冲区溢出漏洞
CVE-2026-65367 iOS/iPadOS空指针解引用致崩溃漏洞

IV. Related Vulnerabilities

Same product: Safari
Same vendor: Apple

V. Comments for CVE-2026-43670

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