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CVE record · CVE-2026-20440

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

CVSS 6.7 MediumEPSS 0.0009 · 1st percentile

Published by the CVE Program (CNA: MediaTek) at 2 Mar 2026, 08:39 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
MediaTek, Inc. MediaTek chipset
  • affected MT2718
  • affected MT6899
  • affected MT6991
  • affected MT8678
  • affected MT8793
Other versions: unaffected
Identifiers
CVE-2026-20440
CNA
MediaTek
Weakness (CWE)
CWE-1285
Tags
Published
2 Mar 2026
Updated
30 Mar 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
6.7 Medium 3.1 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H ADP (CISA-ADP)
  • CISA KEV Not listed.
  • EPSS 0.0009, the 1st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 2 Mar 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.