6.4

CVE-2026-20454: mediatek, inc. mediatek chipset

CVSS: 6.4v3.1MediumAnalyzed
Published 01-06-2026Last modified 02-06-2026

Vulnerability summary

CVE-2026-20454 is a medium (CVSS 6.4) vulnerability in mediatek, inc. mediatek chipset. EPSS estimates a 0.08% chance of exploitation in the next 30 days, higher than 0.1% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.08%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-06-2026
    PublishedVulnerability first disclosed.
  2. 02-06-2026
    Last modifiedVulnerability information updated.

Description

In geniezone, there is a possible out of bounds write due to a race condition. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10873936; Issue ID: MSV-6786.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.08%

Chance of exploitation in the next 30 days

Percentile

0%

Versus all other CVEs

30-day change

0.00 pp

From 0.08% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.08%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Mediatek36 products
Mediatek, inc.1 product
  • mediatek chipsetMT6739 | MT6761 | MT6765 | MT6768 | MT6781 | MT6789 | MT6835 | MT6853 | MT6855 | MT6877 | MT6878 | MT6879 | MT6883 | MT6885 | MT6886 | MT6889 | MT6893 | MT6895 | MT6897 | MT6899 | MT6983 | MT6985 | MT6989 | MT6991 | MT8673 | MT8765 | MT8766 | MT8768 | MT8781 | MT8786 | MT8788 | MT8791T | MT8793 | MT8797 | MT8798 | MT8910

2 vendors · 37 products

References

1 links