Local Privilege Escalation in TotalAV by TotalAV
CVE-2026-110746

7.8HIGH

Key Information:

Vendor

Totalsecurity

Status
Totalav
Vendor
CVE Published:
15 October 2026

What is CVE-2026-110746?

A serious vulnerability in TotalAV enables an unprivileged local user to exploit the gRPC IPC authentication mechanism. By manipulating the IPC.dll, a user can hijack the SYSTEM service to execute arbitrary code with elevated privileges as NT AUTHORITY\SYSTEM. This could potentially lead to unauthorized access and control over the system, significantly compromising system security.

Affected Version(s)

TotalAV 0 <= 7.1.17

References

https://www.totalav.com/
https://github.com/lukehebe/Vulnerability-Disclosures/tre...

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.