CVE-2010-3139Windows Vulnerability
Untrusted search path vulnerability in Microsoft Windows Progman Group Converter (grpconv.exe) allows local users, and possibly remote attackers, to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse imm.dll that is located in the same folder as a .grp…
Published Aug 27, 2010 · Updated Apr 28, 2026
Key Facts
Patch immediately- CVE-2010-3139 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Windows (Microsoft).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 24% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v2
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
24%
Higher than 97.7% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
43/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
- advisory41136
- advisoryADV-2010-2200
Description
Untrusted search path vulnerability in Microsoft Windows Progman Group Converter (grpconv.exe) allows local users, and possibly remote attackers, to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse imm.dll that is located in the same folder as a .grp file.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| WindowsMicrosoft | See advisory | n/a |
Timeline
Publicly disclosed
Aug 27, 2010
Last updated
Apr 28, 2026
References
- advisory41136
- advisoryADV-2010-2200
- exploitExploitDB-14758
- exploit14758
- other67535
FAQ
Common Questions.
Untrusted search path vulnerability in Microsoft Windows Progman Group Converter (grpconv.exe) allows local users, and possibly remote attackers, to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse imm.dll that is located in the same folder as a .grp file.
Affected: Windows (Microsoft). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2010-3139 On Your Attack Surface?
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