How severe is CVE-2018-16722?

CVE-2018-16722 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-16722 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16722?

CVE-2018-16722 affects V-secure Jingyun Antivirus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-16722?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-16722 published?

CVE-2018-16722 was published on 2020-11-23 and last updated on 2026-06-17.

CVE-2018-16722

CVE-2018-16722 is a high-severity vulnerability in V-secure Jingyun Antivirus with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: V-secure Jingyun Antivirus
Published: 2020-11-23
Last modified: 2026-06-17

Description

In Jingyun Antivirus v2.4.2.39, the driver file (ZySandbox.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x12360094, a related issue to CVE-2018-16305.

Frequently asked questions

What is CVE-2018-16722?: In Jingyun Antivirus v2.4.2.39, the driver file (ZySandbox.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x12360094, a related issue to CVE-2018-16305.
How severe is CVE-2018-16722?: CVE-2018-16722 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-16722 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16722?: CVE-2018-16722 affects V-secure Jingyun Antivirus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16722?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-16722 published?: CVE-2018-16722 was published on 2020-11-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:v-secure:jingyun_antivirus:2.4.2.39:*:*:*:*:*:*:*

More vulnerabilities in V-secure Jingyun Antivirus

CVE-2018-16723 — High (CVSS 7.8): In Jingyun Antivirus v2.4.2.39, the driver file (ZySandbox.sys) allows local users to cause a denial of service (BSOD)…
CVE-2018-16721 — High (CVSS 7.8): In Jingyun Antivirus v2.4.2.39, the driver file (ZySandbox.sys) allows local users to cause a denial of service (BSOD)…
CVE-2018-16720 — High (CVSS 7.8): In Jingyun Antivirus v2.4.2.39, the driver file (ZySandbox.sys) allows local users to cause a denial of service (BSOD)…
CVE-2018-16719 — High (CVSS 7.8): In Jingyun Antivirus v2.4.2.39, the driver file (hookbody.sys) allows local users to cause a denial of service (BSOD)…

All CVEs affecting V-secure Jingyun Antivirus →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →