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CVE record · CVE-2026-20496

Out-of-bounds read in MediaTek, Inc. MediaTek chipset

CVSS 4.4 MediumEPSS 0.0015 · 4th percentile

Published by the CVE Program (CNA: MediaTek) at 3 Aug 2026, 02:06 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 MT6983
  • affected MT8676
  • affected MT8678
  • affected MT8755
  • affected MT8768
  • affected MT8771
  • affected MT8775
  • affected MT8781
  • affected MT8786
  • affected MT8791T
  • affected MT8792
  • affected MT8793
  • and 5 more
Other versions: unaffected
Identifiers
CVE-2026-20496
CNA
MediaTek
Weakness (CWE)
CWE-125
Tags
Published
3 Aug 2026
Updated
3 Aug 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
4.4 Medium 3.1 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H ADP (CISA-ADP)
  • CISA KEV Not listed.
  • EPSS 0.0015, the 4th 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 3 Aug 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.