CVE-2026-20638

CVSS 5.5 MEDIUMEPSS 0.1%CWE-284

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.5EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

11 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

A logic issue was addressed with improved checks. This issue is fixed in iOS 26.3 and iPadOS 26.3. A user with Live Caller ID app extensions turned off could have identifying information leaked to the extensions.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected products

Apple · iOS and iPadOS

References

https://support.apple.com/en-us/126346