CVE-2026-20484: mediatek, inc. mediatek chipset
CVSS: 4.4v3.1MediumAnalyzed
Published 03-08-2026Last modified 03-08-2026
Vulnerability summary
CVE-2026-20484 is a medium (CVSS 4.4) vulnerability in mediatek, inc. mediatek chipset. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.3% of scored vulnerabilities.
CVSS score
4.4/10
010
Medium · v3.1 (CVE.org)EPSS score
0.16%
0%100%
Low · +0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 03-08-2026PublishedVulnerability first disclosed.
- 03-08-2026Last modifiedVulnerability information updated.
Description
In TFA, there is a possible information disclosure due to a missing permission 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: ALPS11053160; Issue ID: MSV-8004.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 4.4Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:NSourcesAll 2 agree
- NVDNIST4.4MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.16%
Chance of exploitation in the next 30 days
Percentile
4%
Versus all other CVEs
30-day change
+0.04 pp
From 0.12% on 19-09-2026
19-09-202619-10-2026
EPSS score0.16%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mediatek39 products
Mediatek, inc.1 product
- mediatek chipsetMT6739 | MT6761 | MT6765 | MT6768 | MT6781 | MT6789 | MT6833 | MT6835 | MT6853 | MT6855 | MT6877 | MT6878 | MT6879 | MT6883 | MT6885 | MT6886 | MT6889 | MT6893 | MT6895 | MT6897 | MT6899 | MT6983 | MT6985 | MT6988 | MT6989 | MT6991 | MT6993 | MT8171 | MT8188 | MT8189 | MT8390 | MT8391 | MT8668 | MT8676 | MT8678 | MT8696 | MT8792 | MT8793 | MT8799
2 vendors · 40 products
References
1 links- www.mediatek.com/product-security-bulletin/August-2026Vendor Advisory