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CVE-2018-6771

23
FAUCET Score

CVE-2018-6771 describes a denial-of-service vulnerability in Jiangmin Antivirus 16.0.0.100, where the KrnlCall.sys driver fails to validate input from IOCtl 0x99008224, leading to a Blue Screen of Death (BSOD) or other unspecified impact. This vulnerability has a CVSS score of 7.8 (High), indicating that a local attacker with low privileges can easily trigger the issue with no user interaction, potentially leading to high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
16.0.0.100CPE matchmatch criteria
cpe:2.3:a:jiangmin:antivirus:16.0.0.100:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
32.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 72nd percentile among its peer group of 17,061 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / ZhiyuanWang-Chengdu-Qihoo360/Jiangmin_Antivirus_POC/tree/master/KrnlCall_99008224
ExploitThird Party Advisory