CVE-2026-39456n/a Media Transcode Accelerator before version Improper Input Validation
NVD
Vulnerability Summary
Improper input validation for some Media Transcode Accelerator before version 1.0.0-00128 within Ring 3: User Applications may allow a denial of service. System software adversary with a privileged user combined with a high complexity attack may enable denial of service. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.
CVSS v4.0 Base Metrics — Score 5.6 (MEDIUM)
CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NAttack VectorLocal
Attack ComplexityHigh
Attack RequirementsNone
Privileges RequiredHigh
User InteractionNone
Confidentiality (Vulnerable System)None
Integrity (Vulnerable System)None
Availability (Vulnerable System)High
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
Affected & Patched Versions
- n/a Media Transcode Accelerator before version 1.0.0-00128
No patched version published yet
Until a fix ships, reduce exposure:
- Restrict access to the affected service or interface to trusted networks.
- Disable the affected feature if you do not need it.
- Watch the vendor advisory for a firmware or software update.
What to do
Fix it during your normal patch cycle. No exploitation is confirmed yet.
- Check whether you run n/a Media Transcode Accelerator before version and which version.
- No patched version is listed yet. Limit access to the affected service to trusted networks, and disable the feature if you can.
- Subscribe to the vendor advisory so you learn when a fix ships.
Timeline
- Nov 10, 2026Published
- Nov 13, 2026Record last modified
Score, severity and exploitation changes are tracked from the day Watchtower started logging them.
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Data last checked: Nov 14, 2026 02:13 UTC