Vulnerability in Apple iOS And Ipados
CVE-2026-43660
A validation issue was addressed with improved logic. 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, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may prevent Content Security Policy from being enforced.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (34.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.002
Affected products
- Apple iOS And Ipados — versions 0
- Apple Ipados
- Apple Iphone OS
- Apple macOS — versions 0
- Apple Safari — versions 0
- Apple tvOS — versions 0
- Apple Visionos — versions 0
- Apple watchOS — versions 0
Weakness classification (CWE)
References
- support.apple.com/en-us/127110 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/127111 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/127115 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/127118 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/127119 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/127120 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/127121
Frequently asked questions
- What is CVE-2026-43660?
- CVE-2026-43660 is a high-severity vulnerability in Apple iOS And Ipados, classified under Protection Mechanism Failure. CVSS score: 7.5/10. Published 2026-05-11.
- How severe is CVE-2026-43660?
- High severity. CVSS v3 base score is 7.5 out of 10.