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iOS CVE-2026-20638

MEDIUM
Improper Access Control (CWE-284)
2026-02-11 product-security@apple.com
Apple iOS Iphone Os Ipados
5.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
5.5 MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
CVE Published
Feb 11, 2026 - 23:16 nvd
MEDIUM 5.5

DescriptionCVE.org

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.

AnalysisAI

A logic issue was addressed with improved checks. This issue is fixed in iOS 26.3 and iPadOS 26.3. [CVSS 5.5 MEDIUM]

Technical ContextAI

Classified as CWE-284 (Improper Access Control). Affects Ipados. 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.

RemediationAI

Monitor vendor advisories for a patch.

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CVE-2026-20638 vulnerability details – vuln.today
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