VulnerabilityAnalyzed
CVE-2026-43670
A Content Security Policy bypass was addressed with improved enforcement in AudioWorklet contexts.
HIGH 8.8EPSS 0.21%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.21% probability · 12th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-693
- Affected
- apple/safari · apple/ipados · apple/iphone os · apple/macos
- Source
- product-security@apple.com
References
- https://support.apple.com/en-us/127110Vendor Advisory, Release Notes
- https://support.apple.com/en-us/127111Vendor Advisory, Release Notes
- https://support.apple.com/en-us/127115Vendor Advisory, Release Notes
- https://support.apple.com/en-us/127121Vendor Advisory, Release Notes
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.