TI-2019-10916 Aliases CVE-2019-14694 GHSA-875m-q5c9-g9v7

A use-after-free flaw in the sandbox container implemented in cmdguard.sys in Comodo…

LOW 22CWE-362Published 2019-08-28 · Updated 2024-08-05

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

A use-after-free flaw in the sandbox container implemented in cmdguard.sys in Comodo Antivirus 12.0.0.6870 can be triggered due to a race condition when handling IRP_MJ_CLEANUP requests in the minifilter for directory change notifications. This allows an attacker to cause a denial of service (BSOD) when an executable is run inside the container.

Why it matters now

EPSS 0.00406 35th 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:comodo:antivirus:12.0.0.6870:::::::*	12.0.0.6870	Vulnerable	Comodo

cpe:2.3:a:comodo:antivirus:12.0.0.6870:*:*:*:*:*:*:* Versions 12.0.0.6870 Vulnerable ·Comodo

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2019-14694
2026-10-03 Alias added: GHSA-875m-q5c9-g9v7

References

Exploit 1

http://rce4fun.blogspot.com/2019/08/comodo-antivirus-sandbox-race-condition.html

Patch 1

https://github.com/SouhailHammou/Exploits/blob/master/CVE-2019-14694%20-%20Comodo%20AV%20Sandbox%20Race%20Condition%20UAF/comodo_av_uaf_poc.c

TI-2022-14995 Comodo Antivirus 12.2.2.8012 has a quarantine flaw that allows privilege escalation. CVSS 3.1HIGH 7.8
TI-2019-02974 Comodo Antivirus versions up to 12.0.0.6810 are vulnerable to Local Privilege Escalation… CVSS 3.0HIGH 7.8
TI-2019-10625 Comodo Antivirus through 12.0.0.6870, Comodo Firewall through 12.0.0.6870, and Comodo… CVSS 3.0HIGH 7.1
TI-2019-02978 Out-of-bounds write in Comodo Antivirus CVSS 3.0MEDIUM 5.5
TI-2019-02977 Out-of-bounds read in Comodo Antivirus CVSS 3.0MEDIUM 5.5
TI-2019-02976 Comodo Antivirus versions up to 12.0.0.6810 are vulnerable to a local Denial of Service… CVSS 3.0MEDIUM 5.5

See all 7 →

Sources

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