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Fencer Intel
critical 9.3

CVE-2010-3126 json

Untrusted search path vulnerability in avast!

published 16y ago modified 4mo ago also EUVD-2010-3126

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.8%
EPSS 7.8% chance of exploitation in 30 days, percentile 94%
public exploits
1
Exploit-DB

Summary

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.

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Timeline

  1. First public exploit (EDB-14743)
  2. Published

Exploit prediction

7.83% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-14743 Avast! 5.0.594 - 'mfc90loc.dll' License Files DLL Hijacking local, 2010-08-25

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.