CVE-2026-20472: mediatek, inc. mediatek chipset Out-of-bounds Write
Vulnerability summary
CVE-2026-20472 is a medium (CVSS 4.4) Out-of-bounds Write vulnerability in mediatek, inc. mediatek chipset. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 3.2% of scored vulnerabilities.
Timeline
- 03-08-2026PublishedVulnerability first disclosed.
- 03-08-2026Last modifiedVulnerability information updated.
Description
In TFA, there is a possible out of bounds write due to a missing bounds check. This could lead to local denial of service if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10991467; Issue ID: MSV-7764.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST4.4MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.14%
Chance of exploitation in the next 30 days
Percentile
3%
Versus all other CVEs
30-day change
Increase +0.04 pp
From 0.11% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mediatek, inc.1 product
- mediatek chipsetMT6982VB | MT6986 | MT6986D
1 vendor · 1 product