---
title: "CVE-2026-105773: Canimaan Software ClamXAV - Privilege Escalation"
description: "Canimaan Software ClamXAV 3.3 - 3.11 contains a local privilege escalation caused by a race condition and insufficient file validation in the Privileged Helper Tool, letting local attackers execute arbitrary code with system privileges, exploit requires local access."
url: https://panop.io/threat-heartbeat/CVE-2026-105773/
---

# CVE-2026-105773 Canimaan Software ClamXAV - Privilege Escalation

Canimaan Software ClamXAV 3.3 - 3.11 contains a local privilege escalation caused by a race condition and insufficient file validation in the Privileged Helper Tool, letting local attackers execute arbitrary code with system privileges, exploit requires local access.

CVSS base score 7.0 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.14% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-105773)

## Details

Type

Privilege Escalation

Impact

Privilege Escalation, Remote Code Execution

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

5 October 2026

Updated

15 October 2026

Weakness

[CWE-362](https://cwe.mitre.org/data/definitions/362.html)

## Vendor fix

Upgrade to version 3.11.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-105773](https://nvd.nist.gov/vuln/detail/CVE-2026-105773)
- [https://clamxav.com/version-history](https://clamxav.com/version-history)
- [https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf\_files/IT/white/2026/va-26-278-01.json](https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-278-01.json)
- [https://www.cve.org/CVERecord?id=CVE-2026-105773](https://www.cve.org/CVERecord?id=CVE-2026-105773)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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