6.7

CVE-2026-20529: mediatek, inc. mediatek chipset Out-of-bounds Write

CVSS: 6.7v3.1MediumAnalyzed
Published 05-10-2026Last modified 06-10-2026
Open JSON

Vulnerability summary

CVE-2026-20529 is a medium (CVSS 6.7) Out-of-bounds Write vulnerability in mediatek, inc. mediatek chipset. EPSS estimates a 0.11% chance of exploitation in the next 30 days, higher than 1.3% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.7/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.11%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-10-2026
    PublishedVulnerability first disclosed.
  2. 06-10-2026
    Last modifiedVulnerability information updated.

Description

In battery, there is a possible out of bounds write due to a missing bounds check. 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: ALPS11276677; Issue ID: MSV-9217.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.11%

Chance of exploitation in the next 30 days

Percentile

1%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

05-10-202619-10-2026
EPSS score
0.11%

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

Mediatek28 products
Mediatek, inc.1 product
  • mediatek chipsetMT6761 | MT6765 | MT6768 | MT6781 | MT6853 | MT6858 | MT6881 | MT6893 | MT6989 | MT6991 | MT6993 | MT8171 | MT8186 | MT8188 | MT8189 | MT8196 | MT8766 | MT8768 | MT8775 | MT8781 | MT8788E | MT8791T | MT8792 | MT8796 | MT8799 | MT8883 | MT8893 | MT8910

2 vendors · 29 products

References

1 links