CVE-2026-105773— Canimaan Software ClamXAV local privilege escalation
Quick assessment
Affected
Canimaan Software ClamXAV
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Canimaan Software ClamXAV 版本 3.3 至 3.11 在 Privileged Helper Tool（特权辅助工具）中存在本地权限提升漏洞。该漏洞由竞态条件（race condition）和文件验证不足引起，允许本地攻击者以系统权限执行任意代码。此问题已在版本 3.11.1 中修复。
Possible ATT&CK Techniques 2 AI
T1548 · Abuse Elevation Control Mechanism T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2026-105773
Vulnerability Information
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Vulnerability Title
Canimaan Software ClamXAV local privilege escalation
Source: CVE Program / CVE List V5
Vulnerability Description
Canimaan Software ClamXAV versions 3.3 - 3.11 contains a local privilege escalation vulnerability in the Privileged Helper Tool caused by a race condition and insufficient file validation, allowing a local attacker to execute arbitrary code with system privileges. Fixed in 3.11.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Canimaan Software | ClamXAV | 3.3 ~ 3.11.1 | - |
|
II. Public POCs for CVE-2026-105773
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-105773 (3)
-
https://clamxav.com/version-history vendor-advisory
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V. Comments for CVE-2026-105773
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