V-Secure Jingyun Antivirus 2.4.2.39 Kernel Driver ZyArk.sys access control
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.1 | $0-$5k | 1.61 |
Summary
A vulnerability was found in V-Secure Jingyun Antivirus 2.4.2.39 and classified as critical. The impacted element is an unknown function in the library ZyArk.sys of the component Kernel Driver. The manipulation results in access control. This vulnerability is reported as CVE-2026-19195. The attack requires a local approach. Moreover, an exploit is present. The vendor was contacted early about this disclosure but did not respond in any way.
Details
A vulnerability classified as critical has been found in V-Secure Jingyun Antivirus 2.4.2.39. Affected is an unknown code in the library ZyArk.sys of the component Kernel Driver. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability.
The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-19195. The exploitability is told to be easy. The attack needs to be approached locally. Technical details and a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/06/2026). The MITRE ATT&CK project declares the attack technique as T1068.
The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.8VulDB Meta Temp Score: 7.1
VulDB Base Score: 7.8
VulDB Temp Score: 7.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Access controlCWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
08/06/2026 Advisory disclosed08/06/2026 VulDB entry created
08/06/2026 VulDB entry last update
Sources
Advisory: github.comStatus: Not defined
CVE: CVE-2026-19195 (🔒)
GCVE (CVE): GCVE-0-2026-19195
GCVE (VulDB): GCVE-100-386712
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 08/06/2026 22:14Changes: 08/06/2026 22:14 (58)
Complete: 🔍
Submitter: patrickt2017
Cache ID: 216::103
Submit
Accepted
- Submit #864561: V-Secure Technology Jingyun Antivirus 2.4.2.39 Exposed IOCTL with Insufficient Access Control (by patrickt2017)
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