CVE-2026-20483
Received Received - Intake

Privilege Escalation in Telephony Component

Publication date: 2026-08-03

Last updated on: 2026-08-03

Assigner: MediaTek, Inc.

Description
In Telephony, there is a possible escalation of privilege due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11087526; Issue ID: MSV-8243.

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Meta Information

Published
2026-08-03
Last Modified
2026-08-03
Generated
2026-08-03
AI Q&A
2026-08-03
EPSS Evaluated
N/A
NVD
CVE-2026-20483
EUVD
EUVD-2026-52073

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mediatek telephony From ALPS11087526 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

This vulnerability in Telephony allows a local attacker to escalate privileges due to a missing permission check. No additional execution privileges or user interaction are required for exploitation.

Impact Analysis

An attacker could exploit this to gain higher privileges on your device, potentially allowing them to access sensitive functions or data without your knowledge.

Compliance Impact

This vulnerability involves a missing permission check in Telephony, enabling local privilege escalation without user interaction or additional privileges. Such flaws could potentially compromise data confidentiality or integrity, which may impact compliance with standards like GDPR or HIPAA if exploited to access or manipulate sensitive information.

Mitigation Strategies

Apply the patch identified as ALPS11087526 to address the missing permission check in Telephony. Ensure the patch is deployed to all affected systems to prevent potential local privilege escalation.

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