CVE-2026-20454: mediatek, inc. mediatek chipset
CVSS: 6.4v3.1MediumAnalyzed
Published 01-06-2026Last modified 02-06-2026
Vulnerability summary
CVE-2026-20454 is a medium (CVSS 6.4) vulnerability in mediatek, inc. mediatek chipset. EPSS estimates a 0.08% chance of exploitation in the next 30 days, higher than 0.1% of scored vulnerabilities.
CVSS score
6.4/10
010
Medium · v3.1 (CVE.org)EPSS score
0.08%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 01-06-2026PublishedVulnerability first disclosed.
- 02-06-2026Last modifiedVulnerability information updated.
Description
In geniezone, there is a possible out of bounds write due to a race condition. 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: ALPS10873936; Issue ID: MSV-6786.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 6.4Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST6.4MediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.08%
Chance of exploitation in the next 30 days
Percentile
0%
Versus all other CVEs
30-day change
0.00 pp
From 0.08% on 19-09-2026
19-09-202619-10-2026
EPSS score0.08%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mediatek36 products
Mediatek, inc.1 product
- mediatek chipsetMT6739 | MT6761 | MT6765 | MT6768 | MT6781 | MT6789 | MT6835 | MT6853 | MT6855 | MT6877 | MT6878 | MT6879 | MT6883 | MT6885 | MT6886 | MT6889 | MT6893 | MT6895 | MT6897 | MT6899 | MT6983 | MT6985 | MT6989 | MT6991 | MT8673 | MT8765 | MT8766 | MT8768 | MT8781 | MT8786 | MT8788 | MT8791T | MT8793 | MT8797 | MT8798 | MT8910
2 vendors · 37 products
References
1 links- corp.mediatek.com/product-security-bulletin/June-2026Vendor Advisory