CVE-2010-3126
Untrusted search path vulnerability in avast! Free Antivirus version 5.0.594 and earlier allows...
Untrusted search path vulnerability in avast! Free Antivirus version 5.0.594 and earlier allows local users, and possibly remote attackers, to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse mfc90loc.dll that is located in the same folder as an avast license (.avastlic) file.
Exploit likelihood
What each source reports
NVD Score used
9.3
Untrusted search path vulnerability in avast! Free Antivirus version 5.0.594 and earlier allows local users, and possibly remote attackers, to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse mfc90loc.dll that is located in the same folder as an avast license (.avastlic) file.
- Record
CVE-2010-3126- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
Untrusted search path vulnerability in avast! Free Antivirus version 5.0.594 and earlier allows local users, and possibly remote attackers, to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse mfc90loc.dll that is located in the same folder as an avast license (.avastlic) file.
- Record
CVE-2010-3126- Updated
- 2026-11-02
EUVDEUVD-2010-3126 No score
Untrusted search path vulnerability in avast! Free Antivirus version 5.0.594 and earlier allows local users, and possibly remote attackers, to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse mfc90loc.dll that is located in the same folder as an avast license (.avastlic) file.
- Record
EUVD-2010-3126- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-86m9-jwxx-2r6p No score
Untrusted search path vulnerability in avast! Free Antivirus version 5.0.594 and earlier allows...
Untrusted search path vulnerability in avast! Free Antivirus version 5.0.594 and earlier allows local users, and possibly remote attackers, to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse mfc90loc.dll that is located in the same folder as an avast license (.avastlic) file.
- Record
GHSA-86m9-jwxx-2r6p- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Avast! 5.0.594 - 'mfc90loc.dll' License Files DLL Hijacking | 2010-08-25 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2010-3126 is a high vulnerability (CVSS 9.3) in Avast Antivirus Free, published August 26, 2010. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 7.83%, the 94th percentile. No source names a fixed version.