CVE-2026-20529In battery, there is a possible out of bounds write due to a missing bounds check.
Updated under an hour ago ()
Does this affect you?
It affects MediaTek, Inc. MediaTek chipset and 28 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-787
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- MediaTek
- NVD analysis
- Analyzed
- Record last updated
- Oct 6, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
MediaTek, Inc. MediaTek chipset mediatek:chipset (from the name) | MT6761; MT6765; MT6768; MT6781; MT6853; MT6858; MT6881; MT6893; and 20 more ranges | CNA record |
mediatek mt6761_firmware mediatek:mt6761_firmware | all versions | NVD |
mediatek mt6765_firmware mediatek:mt6765_firmware | all versions | NVD |
mediatek mt6768_firmware mediatek:mt6768_firmware | all versions | NVD |
mediatek mt6781_firmware mediatek:mt6781_firmware | all versions | NVD |
mediatek mt6853_firmware mediatek:mt6853_firmware | all versions | NVD |
mediatek mt6858_firmware mediatek:mt6858_firmware | all versions | NVD |
mediatek mt6881_firmware mediatek:mt6881_firmware | all versions | NVD |
mediatek mt6893_firmware mediatek:mt6893_firmware | all versions | NVD |
mediatek mt6989_firmware mediatek:mt6989_firmware | all versions | NVD |
mediatek mt6991_firmware mediatek:mt6991_firmware | all versions | NVD |
mediatek mt6993_firmware mediatek:mt6993_firmware | all versions | NVD |
mediatek mt8171_firmware mediatek:mt8171_firmware | all versions | NVD |
mediatek mt8186_firmware mediatek:mt8186_firmware | all versions | NVD |
mediatek mt8188_firmware mediatek:mt8188_firmware | all versions | NVD |
mediatek mt8189_firmware mediatek:mt8189_firmware | all versions | NVD |
mediatek mt8196_firmware mediatek:mt8196_firmware | all versions | NVD |
mediatek mt8766_firmware mediatek:mt8766_firmware | all versions | NVD |
mediatek mt8768_firmware mediatek:mt8768_firmware | all versions | NVD |
mediatek mt8775_firmware mediatek:mt8775_firmware | all versions | NVD |
mediatek mt8781_firmware mediatek:mt8781_firmware | all versions | NVD |
mediatek mt8788e_firmware mediatek:mt8788e_firmware | all versions | NVD |
mediatek mt8791t_firmware mediatek:mt8791t_firmware | all versions | NVD |
mediatek mt8792_firmware mediatek:mt8792_firmware | all versions | NVD |
mediatek mt8796_firmware mediatek:mt8796_firmware | all versions | NVD |
mediatek mt8799_firmware mediatek:mt8799_firmware | all versions | NVD |
mediatek mt8883_firmware mediatek:mt8883_firmware | all versions | NVD |
mediatek mt8893_firmware mediatek:mt8893_firmware | all versions | NVD |
mediatek mt8910_firmware mediatek:mt8910_firmware | all versions | NVD |
References
- https://www.mediatek.com/product-security-bulletin/October-2026vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.