October 25, 2026

CVE Watchtower

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CVE-2026-20586NVD

Vulnerability Summary

In vdec, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS11383899; Issue ID: MSV-9614.
Severity Level
HIGH(8.8)
Published Date
Oct 5, 2026
Last Modified
Oct 21, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.39%Probability
Root Weakness (CWE)
CWE-787: Unknown/Unlisted Weakness ↗
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics — Score 8.8 (HIGH)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

Affected & Patched Versions

Affected Versions
  • Mediatek Mt8910 Firmware
  • Mediatek Mt2718 Firmware
  • Mediatek Mt6768 Firmware
  • Mediatek Mt6789 Firmware
  • Mediatek Mt6769 Firmware
  • Mediatek Mt6833 Firmware
  • Mediatek Mt6855 Firmware
  • Mediatek Mt6877 Firmware
  • Mediatek Mt8186 Firmware
  • Mediatek Mt8188 Firmware
  • Mediatek Mt8189 Firmware
  • Mediatek Mt8195 Firmware
  • Mediatek Mt8196 Firmware
  • Mediatek Mt8367 Firmware
  • Mediatek Mt8391 Firmware
  • Mediatek Mt8395 Firmware
  • Mediatek Mt8668 Firmware
  • Mediatek Mt8676 Firmware
  • Mediatek Mt8678 Firmware
  • Mediatek Mt8696 Firmware
  • Mediatek Mt8781 Firmware
  • Mediatek Mt8788e Firmware
  • Mediatek Mt8792 Firmware
  • Mediatek Mt8793 Firmware
  • Mediatek Mt8799 Firmware
Patched Versions
Not provided by NVD for this CVE.
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🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫Ad-Free — Uninterrupted experience.
🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫Ad-Free — Uninterrupted experience.

External References