Description
A vulnerability has been found in V-Secure Jingyun Antivirus 2.4.2.39. The affected element is an unknown function in the library ZyArk.sys of the component Kernel Driver. The manipulation leads to improper access controls. The attack needs to be performed locally. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| V-Secure | Jingyun Antivirus | 2.4.2.39 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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patrickt2017/CVE-2026-19195-PoC ★ 1 · Aug 9, 2026
CVE-2026-19195 Proof of Concept
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- VDB-386712 | V-Secure Jingyun Antivirus Kernel Driver ZyArk.sys access control vdb-entry technical-description
- VDB-386712 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- CVE-2026-19195 | CVE Analysis and Report third-party-advisory
- Submit #864561 | V-Secure Technology Jingyun Antivirus 2.4.2.39 Exposed IOCTL with Insufficient Access Control third-party-advisory
- https://github.com/patrickt2017/CVE-2026-19195-PoC exploit