CVE-2026-43670

HighCVSS 8.8/10Last modified Aug 27, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-693

Affected software

VendorProductVersions
AppleSafari< 26.5
AppleiOS and iPadOS< 18.7.9; < 26.5
ApplemacOS< 26.5

References

Timeline

Published
Aug 25, 2026
Last modified
Aug 27, 2026
NVD status
Analyzed

Related CVEs from 2026

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CVE-2026-43670: High severity, CVSS 8.8 | Vulnix