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High 8.4Published Sep 7, 2026
CVE-2026-20501In vdec, there is a possible out of bounds write due to a heap buffer overflow.
Updated under an hour ago ()
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It affects MediaTek, Inc. MediaTek chipset and 53 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 vdec, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11262030; Issue ID: MSV-9197.
- CVSS
- 8.4 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-122
- 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
- Sep 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
MediaTek, Inc. MediaTek chipset mediatek:chipset (from the name) | MT2718; MT6580; MT6739; MT6761; MT6765; MT6768; MT6769; MT6779; and 45 more ranges | CNA record |
mediatek mt2718_firmware mediatek:mt2718_firmware | all versions | NVD |
mediatek mt6580_firmware mediatek:mt6580_firmware | all versions | NVD |
mediatek mt6739_firmware mediatek:mt6739_firmware | all versions | NVD |
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 mt6769_firmware mediatek:mt6769_firmware | all versions | NVD |
mediatek mt6779_firmware mediatek:mt6779_firmware | all versions | NVD |
mediatek mt6781_firmware mediatek:mt6781_firmware | all versions | NVD |
mediatek mt6785_firmware mediatek:mt6785_firmware | all versions | NVD |
mediatek mt6789_firmware mediatek:mt6789_firmware | all versions | NVD |
mediatek mt6833_firmware mediatek:mt6833_firmware | all versions | NVD |
mediatek mt6835_firmware mediatek:mt6835_firmware | all versions | NVD |
mediatek mt6853_firmware mediatek:mt6853_firmware | all versions | NVD |
mediatek mt6855_firmware mediatek:mt6855_firmware | all versions | NVD |
mediatek mt6858_firmware mediatek:mt6858_firmware | all versions | NVD |
mediatek mt6873_firmware mediatek:mt6873_firmware | all versions | NVD |
mediatek mt6877_firmware mediatek:mt6877_firmware | all versions | NVD |
mediatek mt6878_firmware mediatek:mt6878_firmware | all versions | NVD |
mediatek mt6879_firmware mediatek:mt6879_firmware | all versions | NVD |
mediatek mt6881_firmware mediatek:mt6881_firmware | all versions | NVD |
mediatek mt6883_firmware mediatek:mt6883_firmware | all versions | NVD |
mediatek mt6885_firmware mediatek:mt6885_firmware | all versions | NVD |
mediatek mt6886_firmware mediatek:mt6886_firmware | all versions | NVD |
mediatek mt6889_firmware mediatek:mt6889_firmware | all versions | NVD |
mediatek mt6893_firmware mediatek:mt6893_firmware | all versions | NVD |
mediatek mt6895_firmware mediatek:mt6895_firmware | all versions | NVD |
mediatek mt6897_firmware mediatek:mt6897_firmware | all versions | NVD |
mediatek mt6899_firmware mediatek:mt6899_firmware | all versions | NVD |
mediatek mt6983_firmware mediatek:mt6983_firmware | all versions | NVD |
mediatek mt6985_firmware mediatek:mt6985_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 mt8126_firmware mediatek:mt8126_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 mt8195_firmware mediatek:mt8195_firmware | all versions | NVD |
mediatek mt8196_firmware mediatek:mt8196_firmware | all versions | NVD |
mediatek mt8367_firmware mediatek:mt8367_firmware | all versions | NVD |
mediatek mt8391_firmware mediatek:mt8391_firmware | all versions | NVD |
mediatek mt8395_firmware mediatek:mt8395_firmware | all versions | NVD |
mediatek mt8668_firmware mediatek:mt8668_firmware | all versions | NVD |
mediatek mt8676_firmware mediatek:mt8676_firmware | all versions | NVD |
mediatek mt8678_firmware mediatek:mt8678_firmware | all versions | NVD |
mediatek mt8696_firmware mediatek:mt8696_firmware | all versions | NVD |
mediatek mt8781_firmware mediatek:mt8781_firmware | all versions | NVD |
mediatek mt8788e_firmware mediatek:mt8788e_firmware | all versions | NVD |
mediatek mt8792_firmware mediatek:mt8792_firmware | all versions | NVD |
mediatek mt8799_firmware mediatek:mt8799_firmware | all versions | NVD |
mediatek mt8910_firmware mediatek:mt8910_firmware | all versions | NVD |
References
- https://www.mediatek.com/product-security-bulletin/September-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.