Home/CVE/In slbc, there is a possible out of bounds write due to type confusion. This could lead to local escalation of privilege
CVE

CVE-2026-20451

In slbc, there is a possible out of bounds write due to type confusion. This could lead to local escalation of privilege

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.

MEDIUM · CVSS 6.7 EPSS 6e-05
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-843Access of Resource Using Incompatible Type ('Type Confusion')
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Affected Products & Versions

32
mediatek mt8115 firmwareall versions
mediatek mt8186 firmwareall versions
mediatek mt8188 firmwareall versions
mediatek mt8196 firmwareall versions
mediatek mt8365 firmwareall versions
mediatek mt8367 firmwareall versions
mediatek mt8370 firmwareall versions
mediatek mt8371 firmwareall versions
▣

Scoring & Timeline

6.7
MEDIUM · CVSS v3.1 · security@mediatek.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 May 2026 · 07:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://corp.mediatek.com/product-security-bulletin/May-2026Vendor Advisory
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