Security readout for executives and security teams
Plain-English summary
This flaw is in a Jiangmin Antivirus kernel driver. A local user on an affected Windows endpoint could crash the machine with a blue screen. The public record also says other impact is possible, but does not define it.
Executive priority
Treat this as a targeted endpoint stability risk, not a confirmed remote compromise emergency. Prioritize asset discovery and vendor remediation decisions for any remaining Jiangmin Antivirus deployments.
Technical view
CVE-2018-6778 concerns KSysCall.sys in Jiangmin Antivirus 16.0.0.100. The driver does not validate input values for IOCTL 0x9A008268, allowing local users to trigger denial of service and possibly unspecified additional impact.
Likely exposure
Exposure appears limited to systems running Jiangmin Antivirus 16.0.0.100 with KSysCall.sys present. The CVE describes local-user exploitation, so internet-facing exposure is not indicated by the provided sources.
Exploitation context
The CVE is not listed as KEV in the provided bundle, and no source here claims active exploitation. A public GitHub reference exists, indicating public proof-of-concept material, but operational exploit prevalence is not established.
Researcher notes
The record lacks CVSS, CWE, CPE, and vendor fix details. Analysis should stay bounded to the named version and driver unless additional vendor or advisory evidence is obtained.
Mitigation direction
- Inventory endpoints for Jiangmin Antivirus 16.0.0.100 and KSysCall.sys.
- Check Jiangmin vendor guidance for fixed builds or official mitigation.
- Remove or replace vulnerable installations if no supported fix is available.
- Limit local interactive access on systems where the driver remains installed.
Validation and detection
- Confirm whether KSysCall.sys exists on managed Windows endpoints.
- Verify installed Jiangmin Antivirus versions against 16.0.0.100.
- Review endpoint crash telemetry for unexplained BSOD events on affected hosts.
- Document whether vendor remediation is available before closing the finding.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-6778 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/ZhiyuanWang-Chengdu-Qihoo360/Jiangmin_Antivirus_POC/tree/master/KSysCall_9A008268CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.