CVE-2025-20797 Details
Description
In battery, there is a possible out of bounds write due to a missing bounds check. 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: ALPS10315812; Issue ID: MSV-5534.
A local privilege escalation vulnerability has been identified in the battery component of certain MediaTek chipsets. This issue arises from a possible out-of-bounds write caused by a missing bounds check, which could be exploited by a malicious actor who has already gained system privileges. The vulnerability does not require user interaction for exploitation.
Device OEMs have been notified of this vulnerability and the corresponding security patches are available. For further information, OEMs can contact their MediaTek representative.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jan 7, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://corp.mediatek.com/product-security-bulletin/January-2026 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-787 | Out-of-bounds Write | [email protected] |
| CWE-121 | Stack-based Buffer Overflow | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| google android | 14.0 15.0 16.0 - |
CPE
Remediation
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| mediatek mt2718 | All versions |
CPE
Remediation
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| mediatek mt6765 | All versions |
CPE
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| mediatek mt6768 | All versions |
CPE
Remediation
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| mediatek mt6781 | All versions |
CPE
Remediation
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| mediatek mt6833 | All versions |
CPE
Remediation
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| mediatek mt6835 | All versions |
CPE
Remediation
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| mediatek mt6853 | All versions |
CPE
Remediation
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| mediatek mt6855 | All versions |
CPE
Remediation
| |
| mediatek mt6877 | All versions |
CPE
Remediation
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| mediatek mt6879 | All versions |
CPE
Remediation
| |
| mediatek mt6893 | All versions |
CPE
Remediation
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| mediatek mt6985 | All versions |
CPE
Remediation
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| mediatek mt6989 | All versions |
CPE
Remediation
| |
| mediatek mt6991 | All versions |
CPE
Remediation
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| mediatek mt8186 | All versions |
CPE
Remediation
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| mediatek mt8188 | All versions |
CPE
Remediation
| |
| mediatek mt8196 | All versions |
CPE
Remediation
| |
| mediatek mt8367 | All versions |
CPE
Remediation
| |
| mediatek mt8391 | All versions |
CPE
Remediation
| |
| mediatek mt8676 | All versions |
CPE
Remediation
| |
| mediatek mt8678 | All versions |
CPE
Remediation
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| mediatek mt8696 | All versions |
CPE
Remediation
| |
| mediatek mt8766 | All versions |
CPE
Remediation
| |
| mediatek mt8768 | All versions |
CPE
Remediation
| |
| mediatek mt8781 | All versions |
CPE
Remediation
| |
| mediatek mt8786 | All versions |
CPE
Remediation
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| mediatek mt8788e | All versions |
CPE
Remediation
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| mediatek mt8791t | All versions |
CPE
Remediation
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| mediatek mt8792 | All versions |
CPE
Remediation
| |
| mediatek mt8793 | All versions |
CPE
Remediation
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| mediatek mt8796 | All versions |
CPE
Remediation
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| mediatek mt8873 | All versions |
CPE
Remediation
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| mediatek mt8883 | All versions |
CPE
Remediation
| |
| mediatek mt8893 | All versions |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jan 8, 2026 | Initial Analysis | [email protected] |
| Jan 6, 2026 | CVE Modified | CISA-ADP |
| Jan 6, 2026 | New CVE Received | [email protected] |