Vulnerability in Apple iOS And Ipados
CVE-2026-65399
A file quarantine bypass was addressed with additional checks. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27, watchOS 27. An archive may be able to bypass Gatekeeper.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.001 (1.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 1.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: -0.000
Affected products
Weakness classification (CWE)
References
- support.apple.com/en-us/149034 (Vendor Advisory)
- support.apple.com/en-us/149035 (Vendor Advisory)
- support.apple.com/en-us/149037 (Vendor Advisory)
- support.apple.com/en-us/149038 (Vendor Advisory)
- support.apple.com/en-us/149041 (Vendor Advisory)
- support.apple.com/en-us/149042 (Vendor Advisory)
- support.apple.com/en-us/149043 (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-65399?
- CVE-2026-65399 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Authentication Bypass by Spoofing. CVSS score: 4.4/10. Published 2026-09-14.
- How severe is CVE-2026-65399?
- Medium severity. CVSS v3 base score is 4.4 out of 10.