XSS in Apple iOS And Ipados
CVE-2026-86898
A logic issue was addressed with improved state management. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27. Opening a maliciously crafted webarchive file may lead to universal cross-site scripting.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (28.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.0% 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: 0.003 · change: +0.001
Affected products
Weakness classification (CWE)
References
- support.apple.com/en-us/149034 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/149035 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/149038 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/149039 (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-86898?
- CVE-2026-86898 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-09-14.
- How severe is CVE-2026-86898?
- Medium severity. CVSS v3 base score is 5.4 out of 10.