CVE-2026-20638 — Improper Access Control in Apple IOS AND Ipados

CWE-284 — Improper Access Control4 documents4 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 96.83%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Apple IOS AND IpadosApple IpadosApple Iphone OS
Timeline
PublishedFeb 11
Latest updateFeb 12

Description

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 vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NExploitability: 1.8 | Impact: 3.6

Affected Packages3 packages

▶NVDapple/ipados< 26.3
▶CVEListV5apple/ios_and_ipados< 26.3
▶NVDapple/iphone_os< 26.3

🔴Vulnerability Details

2
GHSA
GHSA-p8ww-f2v2-hj7q: A logic issue was addressed with improved checks↗2026-02-12
▶
CVEList
CVE-2026-20638: A logic issue was addressed with improved checks↗2026-02-11
▶

📋Vendor Advisories

1
Apple
CVE-2026-20638: iOS 26.3 and iPadOS 26.3↗2026-02-11
▶
CVE-2026-20638 — Improper Access Control in Apple | cvebase