Apple iOS/iPadOS up to 26.2 Live Call information disclosure

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.3 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in Apple iOS and iPadOS up to 26.2. Affected is an unknown function of the component Live Call Handler. Executing a manipulation can lead to information disclosure. This vulnerability appears as CVE-2026-20638. The attack requires local access. There is no available exploit. You should upgrade the affected component.
Details
A vulnerability classified as problematic was found in Apple iOS and iPadOS up to 26.2. This vulnerability affects some unknown functionality of the component Live Call Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:
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.
The advisory is available at support.apple.com. This vulnerability was named CVE-2026-20638 since 11/11/2025. The exploitation appears to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 02/13/2026). This vulnerability is assigned to T1592 by the MITRE ATT&CK project.
Upgrading to version 26.3 eliminates this vulnerability.
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Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.4VulDB Meta Temp Score: 4.3
VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍
ADP CISA Base Score: 5.5
ADP CISA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: iOS/iPadOS 26.3
Timeline
11/11/2025 CVE reserved02/12/2026 Advisory disclosed
02/12/2026 VulDB entry created
02/13/2026 VulDB entry last update
Sources
Vendor: apple.comAdvisory: support.apple.com
Status: Confirmed
CVE: CVE-2026-20638 (🔒)
GCVE (CVE): GCVE-0-2026-20638
GCVE (VulDB): GCVE-100-345718
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 02/12/2026 06:47Updated: 02/13/2026 05:06
Changes: 02/12/2026 06:47 (57), 02/13/2026 05:06 (11)
Complete: 🔍
Cache ID: 216::103
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