TI-2019-12600 Aliases CVE-2019-16896 GHSA-9qgf-qmmg-fc5c

In K7 Ultimate Security 16.0.0117, the module K7BKCExt.dll (aka the backup module)…

LOW 34CWE-59Published 2019-12-27 · Updated 2024-08-05

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

In K7 Ultimate Security 16.0.0117, the module K7BKCExt.dll (aka the backup module) improperly validates the administrative privileges of the user, allowing an arbitrary file write via a symbolic link attack with file restoration functionality.

Why it matters now

EPSS 0.00402 34th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:k7computing:k7_ultimate_security:16.0.0117:::::::*	16.0.0117	Vulnerable	K7computing

cpe:2.3:a:k7computing:k7_ultimate_security:16.0.0117:*:*:*:*:*:*:* Versions 16.0.0117 Vulnerable ·K7computing

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2019-16896
2026-10-03 Alias added: GHSA-9qgf-qmmg-fc5c

References

Exploit 1

https://github.com/NtRaiseHardError/Antimalware-Research/blob/master/K7%20Security/Local%20Privilege%20Escalation/v16.0.0117/README.md

Advisory 1

https://support.k7computing.com/index.php?/selfhelp/categories/Vulnerability%20Report%20and%20Advisory/29

TI-2019-12601 In K7 Antivirus Premium 16.0.xxx through 16.0.0120; K7 Total Security 16.0.xxx through… CVSS 3.1CRITICAL 9.8
TI-2025-41473 An issue was discovered in K7 Ultimate Security 17.0.2045. CVSS 3.1HIGH 7.7
TI-2024-24210 K7RKScan.sys in K7 Ultimate Security before 17.0.2019 allows local users to cause a… CVSS 3.1MEDIUM 5.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences