CVE-2025-20806 MediaTek, Inc. CVE debrief

Who should care

Defenders of systems using Mediatek dpe should assess exposure and apply patches if available. The vulnerability requires a malicious actor to have already obtained the System privilege, and user interaction is not needed for exploitation. Defenders should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Why it matters

CVE-2025-20806 is a memory corruption vulnerability in Mediatek's dpe component that could lead to local escalation of privilege. Defenders of systems using Mediatek dpe should assess exposure and apply patches if available. The vulnerability requires a malicious actor to have already obtained the System privilege. User interaction is not needed for exploitation.

• Local escalation of privilege requires verification
• Memory corruption could lead to system instability
• Patch ALPS10114835 may be required for mitigation

Technical summary

In dpe, there is a possible memory corruption due to use after free. 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: ALPS10114835; Issue ID: MSV-4479. The vulnerability affects systems using Mediatek dpe, and defenders should assess exposure and apply patches if available. The vulnerability requires a malicious actor to have already obtained the System privilege, and user interaction is not needed for exploitation.

Defensive priority

Assess exposure and apply patch if available

Recommended defensive actions

• Assess if Mediatek dpe is used in your environment
• Verify if System privilege has been obtained by a malicious actor
• Apply patch ALPS10114835 if available
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide details on the vulnerability. Mediatek's security bulletin for January 2026 is referenced. The vulnerability has been publicly disclosed and requires defenders to assess exposure and apply patches if available. The CVE record was published on 2026-01-06T02:15:44.847Z and has not been modified since then. The NVD entry provides additional information on the vulnerability.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.