9.3

CVE-2010-3126: avast avast_antivirus_free

CVSS: 9.3v2.0HighModified
Published 26-08-2010Last modified 07-08-2024
Open JSON

Vulnerability summary

CVE-2010-3126 is a high (CVSS 9.3) vulnerability in avast avast_antivirus_free. EPSS estimates a 7.83% chance of exploitation in the next 30 days, higher than 94.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
7.83%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database

Timeline

  1. 26-08-2010
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

7.83%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

0.00 pp

From 7.83% on 20-09-2026

20-09-202620-10-2026
EPSS score
7.83%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • exploit-databaselocalwindowsUnverified

    Avast! 5.0.594 - 'mfc90loc.dll' License Files DLL Hijacking

    Maturity: poc

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Avast1 product

1 vendor · 1 product

References

4 links