Security readout for executives and security teams
Plain-English summary
CVE-2018-6773 is a local weakness in Jiangmin Antivirus 16.0.0.100. A user already on the machine may be able to crash Windows through the KSysCall.sys driver. The public record does not prove remote exploitation, active exploitation, or a confirmed vendor fix.
Executive priority
Handle as targeted hygiene if Jiangmin Antivirus is present. It is not a broad internet-facing emergency, but a local kernel-driver crash can disrupt operations on affected endpoints and may matter in shared-user environments.
Technical view
The KSysCall.sys kernel driver in Jiangmin Antivirus 16.0.0.100 does not validate input values for a documented IOCTL path, allowing local denial of service through BSOD and possibly unspecified additional impact. The CVE entry provides no CVSS score, CWE, affected CPEs, or remediation details.
Likely exposure
Exposure appears limited to endpoints running Jiangmin Antivirus 16.0.0.100 with the KSysCall.sys driver installed. The issue requires local user access, so risk is higher on shared workstations, kiosk systems, and endpoints where untrusted users can run code.
Exploitation context
The source bundle includes a public proof-of-concept reference, but no CISA KEV listing and no cited evidence of active exploitation. Treat it as publicly known local crash risk, not confirmed in-the-wild exploitation.
Researcher notes
Available evidence is thin: the CVE description names one product version, one driver, and local DoS impact, with possible unspecified impact. No official fix, CVSS vector, CWE, or broader affected-version range is provided in the bundle.
Mitigation direction
- Inventory endpoints for Jiangmin Antivirus 16.0.0.100 and KSysCall.sys.
- Check Jiangmin vendor guidance for patched or supported versions.
- Upgrade, replace, or remove the affected antivirus where business conditions allow.
- Limit local interactive access on systems where the product remains installed.
- Prioritize shared or high-availability endpoints for remediation review.
Validation and detection
- Confirm whether KSysCall.sys is present on managed Windows endpoints.
- Verify installed Jiangmin Antivirus versions against asset inventory.
- Review endpoint crash history for BSODs associated with KSysCall.sys.
- Monitor CVE, vendor, and KEV sources for new remediation or exploitation evidence.
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-2018-6773 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_9A008084CVE 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.