4.4

CVE-2026-20518: mediatek, inc. mediatek chipset Out-of-bounds Read

CVSS: 4.4v3.1MediumDeferred
Published 07-09-2026Last modified 07-09-2026

Vulnerability summary

CVE-2026-20518 is a medium (CVSS 4.4) Out-of-bounds Read vulnerability in mediatek, inc. mediatek chipset. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 1.6% of scored vulnerabilities.

Overall risk
18/100
0100
Low · default modelHow is this calculated?
CVSS score
4.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.12%
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. 07-09-2026
    PublishedVulnerability first disclosed.
  2. 07-09-2026
    Last modifiedVulnerability information updated.

Description

In geniezone, there is a possible information disclosure due to a missing bounds check. This could lead to local information disclosure if a malicious actor has already obtained the System privilege. User interaction is needed for exploitation. Patch ID: ALPS10867524 / ALPS10876355; Issue ID: MSV-6674.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.12%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

0.00 pp

From 0.12% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.12%

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

Mediatek, inc.1 product
  • mediatek chipsetMT6991 | MT8755 | MT8768 | MT8771 | MT8775 | MT8781 | MT8791T | MT8792 | MT8793 | MT8796 | MT8797 | MT8798 | MT8799 | MT8873 | MT8883 | MT8893 | MT8910

1 vendor · 1 product

References

1 links