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High 8.4Published Sep 6, 2026

CVE-2026-20502In vdec, 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 53 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

In vdec, there is a possible out of bounds write due to a missing bounds check. 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-9196.

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 7, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

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

References

References

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.

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