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CVE-2026-20529

medium

In battery, there is a possible out of bounds write due to a missing bounds check.

Vendor / product: Mediatek — mt6761 firmware

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: ALPS11276677; Issue ID: MSV-9217.

CVSS
6.7
6.7 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Severity source: NVD CVSS v3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
Timeline (UTC)
Published: 2026-10-05 02:16
Modified: 2026-10-09 15:02
NVD status: Analyzed
Last synced 3 days ago
Verified against the source API 2026-10-27 06:57 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

mediatek / mt6761_firmware all versions
mediatek / mt6765_firmware all versions
mediatek / mt6768_firmware all versions
mediatek / mt6781_firmware all versions
mediatek / mt6853_firmware all versions
mediatek / mt6858_firmware all versions
mediatek / mt6881_firmware all versions
mediatek / mt6893_firmware all versions
mediatek / mt6989_firmware all versions
mediatek / mt6991_firmware all versions
mediatek / mt6993_firmware all versions
mediatek / mt8171_firmware all versions
mediatek / mt8186_firmware all versions
mediatek / mt8188_firmware all versions
mediatek / mt8189_firmware all versions
mediatek / mt8196_firmware all versions
mediatek / mt8766_firmware all versions
mediatek / mt8768_firmware all versions
mediatek / mt8775_firmware all versions
mediatek / mt8781_firmware all versions
mediatek / mt8788e_firmware all versions
mediatek / mt8791t_firmware all versions
mediatek / mt8792_firmware all versions
mediatek / mt8796_firmware all versions
mediatek / mt8799_firmware all versions
mediatek / mt8883_firmware all versions
mediatek / mt8893_firmware all versions
mediatek / mt8910_firmware all versions

Weakness classification (CWE)

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Vendor advisory: https://www.mediatek.com/product-security-bulletin/October-2026

References

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 06:57 UTC · record ↗

Learn the basics

Understanding CVEs and CVSS Scores

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