What is CVE-2026-20673?

CVE-2026-20673 is a medium-severity vulnerability in Apple iOS And Ipados. CVSS score: 5.3/10. Published 2026-02-11.

How severe is CVE-2026-20673?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Apple iOS And Ipados

CVE-2026-20673

A logic issue was addressed with improved checks. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. Turning off "Load remote content in messages” may not apply to all mail previews.

Published 2026-02-11 · last modified 2026-06-17.

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:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (22.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.6% 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: +0.000

Affected products

References

support.apple.com/en-us/126347 (Release Notes, Vendor Advisory)
support.apple.com/en-us/126348 (Release Notes, Vendor Advisory)
support.apple.com/en-us/126349 (Release Notes, Vendor Advisory)
support.apple.com/en-us/126350 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2026-20673?: CVE-2026-20673 is a medium-severity vulnerability in Apple iOS And Ipados. CVSS score: 5.3/10. Published 2026-02-11.
How severe is CVE-2026-20673?: Medium severity. CVSS v3 base score is 5.3 out of 10.