CVE-2026-20451: mediatek, inc. mediatek chipset Type Confusion
CVSS: 6.7v3.1MediumAnalyzed
Published 04-05-2026Last modified 05-05-2026
Vulnerability summary
CVE-2026-20451 is a medium (CVSS 6.7) Type Confusion vulnerability in mediatek, inc. mediatek chipset. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 4.1% of scored vulnerabilities.
CVSS score
6.7/10
010
Medium · v3.1 (CVE.org)EPSS score
0.15%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 04-05-2026PublishedVulnerability first disclosed.
- 05-05-2026Last modifiedVulnerability information updated.
Description
In slbc, there is a possible out of bounds write due to type confusion. 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: ALPS10828685; Issue ID: MSV-6504.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 6.7Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST6.7MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.15%
Chance of exploitation in the next 30 days
Percentile
4%
Versus all other CVEs
30-day change
0.00 pp
From 0.15% on 19-09-2026
19-09-202619-10-2026
EPSS score0.15%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mediatek32 products
Mediatek, inc.1 product
- mediatek chipsetMT2718 | MT6899 | MT6985 | MT6989 | MT6991 | MT8115 | MT8186 | MT8188 | MT8196 | MT8365 | MT8367 | MT8370 | MT8371 | MT8390 | MT8391 | MT8395 | MT8676 | MT8678 | MT8766 | MT8768 | MT8775 | MT8781 | MT8786 | MT8788E | MT8791T | MT8792 | MT8793 | MT8796 | MT8873 | MT8883 | MT8893 | MT8910
2 vendors · 33 products
References
1 links- corp.mediatek.com/product-security-bulletin/May-2026Vendor Advisory