4.4

CVE-2026-20496: mediatek, inc. mediatek chipset Out-of-bounds Read

CVSS: 4.4v3.1MediumAnalyzed
Published 03-08-2026Last modified 03-08-2026
Open JSON

Vulnerability summary

CVE-2026-20496 is a medium (CVSS 4.4) Out-of-bounds Read vulnerability in mediatek, inc. mediatek chipset. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 3.7% 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
0.15%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 03-08-2026
    PublishedVulnerability first disclosed.
  2. 03-08-2026
    Last modifiedVulnerability information updated.

Description

In geniezone, there is a possible out of bounds read 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 not needed for exploitation. Patch ID: ALPS11036877; Issue ID: MSV-7132.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.15%

Chance of exploitation in the next 30 days

Percentile

4%

Versus all other CVEs

30-day change

+0.04 pp

From 0.11% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.15%

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

Mediatek17 products
Mediatek, inc.1 product
  • mediatek chipsetMT6983 | MT8676 | MT8678 | MT8755 | MT8768 | MT8771 | MT8775 | MT8781 | MT8786 | MT8791T | MT8792 | MT8793 | MT8796 | MT8797 | MT8798 | MT8799 | MT8910

2 vendors · 18 products

References

1 links