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VulnerabilityPublished

CVE-2026-36433: Actions Semiconductor Co · Code Injection

Source GCVE Database

0
Authoritative record:CVE-2026-36433· Critical 9.8

Not known to be exploited · CVSS 9.8 Critical.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.6% chance of exploitation in 30 days – higher than 52% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

  1. Disclosed: evidence found.

    CVE published 9 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: evidence found.

    CISA SSVC: proof of concept public

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

Timeline

  1. CVE ID reserved

    by MITRE Corporation

    , 156 days before disclosure

  2. CVE published

    on cve.org

    , t = 0

  3. CISA SSVC assessment

    proof of concept public

    , 1 day after disclosure

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA SSVC, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

AI-suggested

Until an official fix is available, limit physical access to affected devices and monitor for suspicious activity related to the Production.dll and RdiskUpgrade.exe components.

Description

A critical vulnerability (CVE-2026-36433) exists in Actions Semiconductor Co. Ltd Tool - Media Player Utilities version 4.46. This flaw allows a physically proximate attacker to execute arbitrary code via the Production.dll and RdiskUpgrade.exe components. The vulnerability has a high CVSS score of 9.8, indicating severe impact on confidentiality, integrity, and availability.

References

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