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 uns…

published 2020-11-23 5y ago modified 2026-06-17 4mo ago also EUVD-2018-8524

cvss: 7.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 25%
public exploits: 0; none known

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 0x12364020.

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Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	4.6	AV:L/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-20 Improper Input Validation

References

github.com /bsauce/poc/tree/master/jingyun_antivirus_12364020
third-party-advisory
cnvd.org.cn /flaw/show/CNVD-2018-19264
third-party-advisory

Sources

CVE List CVE-2018-16723
NVD CVE-2018-16723

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