CVE-2026-43670
HighCVSS 8.8Exploitation Probability (EPSS)
Low risk13th percentile - higher than 13% of all known CVEs
Summary
A Content Security Policy bypass was addressed in AudioWorklet contexts in Safari and Apple operating systems. Processing maliciously crafted web content may bypass CSP.
Risk Assessment
An attacker can bypass CSP protections, potentially enabling malicious script injection or data theft.
Recommendation
Update Safari, iOS, iPadOS, and macOS to patched versions (Safari 26.5, iOS 18.7.9/26.5, macOS Tahoe 26.5).
Other vulnerabilities in Apple Safari
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- CVE-2019-8506HighActively exploited
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A type confusion issue in web content processing, addressed with improved state handling. The flaw affects Safari, iOS, iPadOS, macOS and visionOS. Processing maliciously crafted web content may lead to an unexpected process termination.
- CVE-2026-112669Low risk· EPSS 9%
A race condition issue, addressed with improved state handling. It affects Safari, iOS, iPadOS, macOS, tvOS and watchOS. Processing maliciously crafted web content may lead to an unexpected Safari crash.
- CVE-2026-112666Low risk· EPSS 8%
A use-after-free issue, addressed with improved memory management. It affects Safari, iOS, iPadOS, macOS, tvOS and watchOS. Processing maliciously crafted web content may lead to an unexpected process termination.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS