All vulnerabilities
CVE-2026-20586

MediaTek chipset: In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is ne

MediaTek, Inc. MediaTek chipset
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.38%Chance of exploitation activity in the next 30 days, higher than 30% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published5 Oct 2026Updated 21 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Description

In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS11383899; Issue ID: MSV-9614.

Text from CVE List

Affected versions 22

  • MediaTek chipsetaffected: MT2718CVE List
  • MediaTek chipsetaffected: MT6768CVE List
  • MediaTek chipsetaffected: MT6769CVE List
  • MediaTek chipsetaffected: MT6789CVE List
  • MediaTek chipsetaffected: MT6833CVE List
  • MediaTek chipsetaffected: MT6855CVE List
  • MediaTek chipsetaffected: MT6877CVE List
  • MediaTek chipsetaffected: MT8186CVE List
  • MediaTek chipsetaffected: MT8188CVE List
  • MediaTek chipsetaffected: MT8189CVE List
  • MediaTek chipsetaffected: MT8195CVE List
  • MediaTek chipsetaffected: MT8196CVE List
  • MediaTek chipsetaffected: MT8367CVE List
  • MediaTek chipsetaffected: MT8391CVE List
  • MediaTek chipsetaffected: MT8395CVE List
  • MediaTek chipsetaffected: MT8696CVE List
  • MediaTek chipsetaffected: MT8781CVE List
  • MediaTek chipsetaffected: MT8788ECVE List
  • MediaTek chipsetaffected: MT8792CVE List
  • MediaTek chipsetaffected: MT8793CVE List
  • MediaTek chipsetaffected: MT8799CVE List
  • MediaTek chipsetaffected: MT8910CVE List

References 1