Access Control Flaw in V-Secure Jingyun Antivirus by V-Secure
CVE-2026-19195

8.5HIGH

Key Information:

Vendor

V-secure

Status
Jingyun Antivirus
Vendor
CVE Published:
7 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-19195?

A notable access control vulnerability has been identified in the V-Secure Jingyun Antivirus version 2.4.2.39. This flaw occurs in the ZyArk.sys library of its Kernel Driver component and can be exploited locally, allowing unauthorized access to sensitive functions. The weakness stems from improper implementation of access controls within an unknown function, making it easier for attackers to manipulate and exploit the system. Although the vendor has been alerted, there has been no response to the disclosure, raising concerns about potential exploitation in the wild.

Affected Version(s)

Jingyun Antivirus 2.4.2.39

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-19195 - Proof of Concept

References

https://vuldb.com/vuln/386712
vdb-entry
https://vuldb.com/vuln/386712/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19195
third-party-advisory

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

patrickt2017 (VulDB User)
VulDB CNA Team
.