CVE-2026-19195 V-Secure CVE debrief

Who should care

Organizations using V-Secure Jingyun Antivirus 2.4.2.39 should verify their inventory and take defensive actions. This includes reviewing their current deployments, assessing potential exposure, and implementing compensating controls if necessary. Security teams and vulnerability management teams should prioritize this vulnerability due to its high CVSS score and local attack vector.

Technical summary

The vulnerability is in the ZyArk.sys library of the Kernel Driver component in V-Secure Jingyun Antivirus 2.4.2.39. It allows for improper access controls and requires local exploitation. The vulnerability leads to improper access controls and requires local access to be exploited. Technical details are limited, but it is known that the vulnerability is in the Kernel Driver component, specifically an unknown function in the ZyArk.sys library.

Defensive priority

High priority due to local attack vector and improper access controls.

Recommended defensive actions

• Verify affected scope and inventory
• Check for vendor remediation or patches
• Implement compensating controls and monitoring
• Review 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
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed

Evidence notes

The CVE record and NVD entry provide limited information about CVE-2026-19195, a vulnerability in V-Secure Jingyun Antivirus 2.4.2.39. The affected component is the Kernel Driver, specifically an unknown function in the ZyArk.sys library. Evidence is limited; verify with primary records and vendor statements. Further verification is needed with primary records, vendor statements, and potentially other sources to understand the full scope and impact of this 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.