Local Privilege Escalation Vulnerability in ClamXAV by Canimaan Software
CVE-2026-105773

7.3HIGH

Key Information:

Vendor

Canimaan Software

Status
Clamxav
Vendor
CVE Published:
5 October 2026

What is CVE-2026-105773?

ClamXAV versions 3.3 to 3.11 developed by Canimaan Software contains a local privilege escalation vulnerability in the Privileged Helper Tool. This flaw is triggered by a race condition coupled with inadequate file validation, potentially allowing a local attacker to execute arbitrary code with system privileges. A fix has been introduced in version 3.11.1 to address this critical issue.

Affected Version(s)

ClamXAV 3.3

ClamXAV 3.3 < 3.11.1

ClamXAV 3.11.1

References

https://clamxav.com/version-history
vendor-advisory
https://raw.githubusercontent.com/cisagov/CSAF/develop/cs...
third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2026-105773
vdb-entry

CVSS V4

Score:
7.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Xusheng Li
.