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TI-2026-15672 Aliases CVE-2026-19195GHSA-hfv4-4vhj-6536

V-Secure Jingyun Antivirus Kernel Driver ZyArk.sys access control

Priority HIGH 72CWE-266Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Privilege escalation, Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266 and CWE-284.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00162 5th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
V-SecureJingyun Antivirus2.4.2.39—No fix listedCNA
  • Jingyun Antivirus VendorV-Secure Affected 2.4.2.39 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:v-secure:jingyun_antivirus:*:*:*:*:*:*:*:*——V-Secure
  • cpe:2.3:a:v-secure:jingyun_antivirus:*:*:*:*:*:*:*:* Versions — — ·V-Secure

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-19195
  2. 2026-10-03 Alias added: GHSA-hfv4-4vhj-6536

References

Exploit 1

  • TI-2018-11973 In Jingyun Antivirus v2.4.2.39, the driver file (ZySandbox.sys) allows local users to… CVSS 3.1HIGH 7.8
  • TI-2018-11972 In Jingyun Antivirus v2.4.2.39, the driver file (ZySandbox.sys) allows local users to… CVSS 3.1HIGH 7.8
  • TI-2018-11971 In Jingyun Antivirus v2.4.2.39, the driver file (ZySandbox.sys) allows local users to… CVSS 3.1HIGH 7.8
  • TI-2018-11970 In Jingyun Antivirus v2.4.2.39, the driver file (ZySandbox.sys) allows local users to… CVSS 3.1HIGH 7.8
  • TI-2018-11969 In Jingyun Antivirus v2.4.2.39, the driver file (hookbody.sys) allows local users to… CVSS 3.1HIGH 7.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences