Resource exhaustion in Apple iOS And Ipados
CVE-2026-20676
This issue was addressed through improved state management. This issue is fixed in Safari 26.3, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. A website may be able to track users through Safari web extensions.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (13.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · 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 Visionos — versions 0
Weakness classification (CWE)
References
- support.apple.com/en-us/126346 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/126348 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/126353 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/126354 (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-20676?
- CVE-2026-20676 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2026-02-11.
- How severe is CVE-2026-20676?
- Medium severity. CVSS v3 base score is 5.3 out of 10.