CVE-2026-20508
Power HAL Type‑Confusion Privilege Escalation in MediaTek Chipsets
Published Sep 7, 2026
CVSS 3.1 · 6.7 Medium
EPSS < 1%
KEV · Not listed
Description
In Power HAL, there is a possible escalation of privilege due to type confusion. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11165543; Issue ID: MSV-9012.
Affected Products
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CVE record
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NVD configurations
No data
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Red Hat packages
No data
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OpenCVE enrichment
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| MediaTek, Inc. | MediaTek chipset | unaffected |
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No data.
No data.
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| Mediatek, Inc. | Mediatek Chipset |
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Remediation
Tracking
Advisories
Metrics
No CVSS v4.0
Attack Vector Local
Attack Complexity Low
Privileges Required High
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
User Interaction None
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.168% probability within 30 days)
Exploitation none
Automatable no
Technical Impact total
References
History
Sep 7, 2026 2:30 PM
Title updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Power HAL Type‑Confusion Privilege Escalation in MediaTek Chipsets |
Sep 7, 2026 11:30 AM
Scoring metrics updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
cvssV3_1
|
Sep 7, 2026 6:45 AM
First appearance in the feed. Affected vendors updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mediatek, Inc.
Mediatek, Inc. mediatek Chipset |
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| Vendors & Products |
Mediatek, Inc.
Mediatek, Inc. mediatek Chipset |
Sep 7, 2026 2:00 AM
Description updated. Weaknesses updated. Added references
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In Power HAL, there is a possible escalation of privilege due to type confusion. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11165543; Issue ID: MSV-9012. | |
| Weaknesses | CWE-843 | |
| References |
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Subscriptions
Weaknesses
