Use After Free in Apple iOS And Ipados
CVE-2026-43704
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious web extension may be able to cause an unexpected process crash.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (30.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
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/127594 (Vendor Advisory)
- support.apple.com/en-us/127595 (Vendor Advisory)
- support.apple.com/en-us/127685 (Vendor Advisory)
- support.apple.com/en-us/128068
- support.apple.com/en-us/128069
- support.apple.com/en-us/128070
Frequently asked questions
- What is CVE-2026-43704?
- CVE-2026-43704 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Use After Free. CVSS score: 5.3/10. Published 2026-06-29.
- How severe is CVE-2026-43704?
- Medium severity. CVSS v3 base score is 5.3 out of 10.