Security readout for executives and security teams
Plain-English summary
CVE-2018-6772 affects a Jiangmin Antivirus kernel driver. A local user could trigger a system crash, causing a blue screen and service interruption. The public record also mentions possible unspecified other impact, but does not define it. This is most urgent where the affected antivirus version remains installed on important Windows systems.
Executive priority
Treat this as a targeted endpoint stability risk, not a confirmed remote compromise issue. Prioritize critical systems still running the affected antivirus version, especially shared workstations, servers, and environments with many local users.
Technical view
Jiangmin Antivirus 16.0.0.100 includes KrnlCall.sys, which reportedly fails to validate input values for IOCTL 0x99008208. The documented impact is local denial of service through BSOD, with other impact left unspecified. No CVSS, CWE, patch, or detailed affected CPE data is provided in the source bundle.
Likely exposure
Exposure appears limited to systems running Jiangmin Antivirus 16.0.0.100 with KrnlCall.sys installed. The attacker prerequisite is local access, so internet-facing exposure is not indicated by the sources.
Exploitation context
A public proof-of-concept repository is referenced by the CVE source bundle. The bundle does not show CISA KEV listing or any cited evidence of active exploitation in the wild.
Researcher notes
The source evidence is sparse: affected product metadata is not structured, severity is unknown, and remediation is not named. Avoid assuming privilege escalation or code execution; the confirmed impact in the provided sources is local denial of service.
Mitigation direction
- Inventory systems for Jiangmin Antivirus 16.0.0.100 and KrnlCall.sys.
- Check Jiangmin vendor guidance for updates, fixes, or supported migration paths.
- Upgrade or remove affected software where business use is no longer required.
- Restrict local interactive access on systems that must retain the product.
- Monitor for crashes or stability events associated with KrnlCall.sys.
Validation and detection
- Confirm whether Jiangmin Antivirus 16.0.0.100 is installed on managed Windows systems.
- Verify whether KrnlCall.sys is present and loaded on those systems.
- Check vendor release notes or advisories for a corrected driver version.
- Review endpoint telemetry for BSOD events tied to the Jiangmin driver.
- Document compensating controls for systems awaiting remediation.
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
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CVE-2018-6772 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/KrnlCall_99008208CVE 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.