AVACAST DLL Hijacking (CVE-2026-7279) Allows System Code Execution
The National Vulnerability Database has disclosed CVE-2026-7279, a high-severity DLL Hijacking vulnerability in AVACAST, a product developed by eMPIA Technology. This flaw (CWE-427) enables an authenticated local attacker to achieve arbitrary code execution with system privileges. The attacker simply needs to place a malicious DLL in a specific directory, which the system then loads, executing the attacker’s code.
This isn’t a complex exploit. DLL hijacking is a well-trodden path for privilege escalation once an attacker has a foothold. The CVSS score of 7.8 (HIGH) reflects the critical impact (C:H, I:H, A:H), meaning a successful exploit grants full confidentiality, integrity, and availability compromise. The low attack complexity and required privileges (AC:L, PR:L) make it particularly dangerous in environments where local access can be gained.
Defenders need to treat any authenticated local access as a potential launchpad for further compromise. While specific affected products weren’t detailed by the National Vulnerability Database, any organization using AVACAST should be on high alert. This vulnerability highlights the ongoing need for robust endpoint security and strict privilege management to contain local threats.
What This Means For You
- If your organization uses AVACAST from eMPIA Technology, immediately check for vendor advisories or patches related to CVE-2026-7279. Prioritize applying any available fixes. Additionally, review your endpoint security posture and ensure that local administrative privileges are tightly controlled, as this vulnerability relies on an authenticated local attacker.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
AVACAST DLL Hijacking - Malicious DLL Load - CVE-2026-7279
title: AVACAST DLL Hijacking - Malicious DLL Load - CVE-2026-7279
id: scw-2026-04-28-ai-1
status: experimental
level: critical
description: |
Detects the loading of a DLL by AVACAST.exe from a specific plugins directory. This rule is specific to CVE-2026-7279, where an attacker can place a malicious DLL in the AVACAST plugins directory, leading to arbitrary code execution with system privileges when AVACAST.exe loads it.
author: SCW Feed Engine (AI-generated)
date: 2026-04-28
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-7279/
tags:
- attack.privilege_escalation
- attack.t1574.001
logsource:
category: image_load
detection:
selection:
ImageLoaded|endswith:
- 'AVACAST.exe'
TargetFilename|contains:
- 'C:\Program Files\AVACAST\plugins\'
selection_base:
ImageLoaded|endswith:
- 'AVACAST.exe'
TargetFilename|contains:
- 'C:\Program Files\AVACAST\plugins\'
TargetFilename|endswith:
- '.dll'
condition: selection_base AND selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-7279 | DLL Hijacking | AVACAST developed by eMPIA Technology |
| CVE-2026-7279 | RCE | Authenticated local attackers can place a malicious DLL in a specific directory |
| CVE-2026-7279 | Privilege Escalation | Arbitrary code execution with system privileges |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 28, 2026 at 13:16 UTC |
This content was AI-rewritten and enriched by Shimi's Cyber World based on the original source. All intellectual property rights remain with the original author.
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