In IKARUS anti.virus before 2.16.18, the ntguard.sys driver contains an Arbitrary Write vulnerability because of not validating input value…

published 2017-12-20 8y ago modified 2026-06-17 4mo ago also EUVD-2017-6439

cvss: 7.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits: 0; none known

In IKARUS anti.virus before 2.16.18, the ntguard.sys driver contains an Arbitrary Write vulnerability because of not validating input values from IOCtl 0x83000058.

Patch / fix

fixed in 1

ikarussecurity anti.virus 2.16.18

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Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

greyhathacker.net http://www.greyhathacker.net/?p=995 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.8	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.2	AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

CWE-20 Improper Input Validation

References

greyhathacker.net /?p=995
exploit, third-party-advisory

Sources

CVE List CVE-2017-14963
NVD CVE-2017-14963

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