Information disclosure in Apple iOS and iPadOS - CVE-2026-20638
Published: February 11, 2026
Vulnerability identifier: #VU122735
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-20638
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Apple Inc.
Affected software:
Apple iOS
iPadOS
Apple iOS
iPadOS
Detailed vulnerability description
The vulnerability allows a local application to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output in Call History. A user with Live Caller ID app extensions turned off can still leak identifying information to the extension.
How to mitigate CVE-2026-20638
Install updates from vendor's website.