CVE-2005-0944Jet Vulnerability
Unknown vulnerability in Microsoft Jet DB engine (msjet40.dll) 4.00.8618.0, related to insufficient data validation, allows remote attackers to execute arbitrary code via a crafted mdb file.
Published May 2, 2005 · Updated Apr 15, 2026
Key Facts
Patch immediately- CVE-2005-0944 is a high-severity vulnerability (CVSS 7.5 v2) affecting Jet (Microsoft).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 34% probability of exploitation in the next 30 days.
- Fixed versions are available, including Jet 4.0.8618.0.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v2
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
34%
Higher than 98.3% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
44/100
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
3
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
Description
Unknown vulnerability in Microsoft Jet DB engine (msjet40.dll) 4.00.8618.0, related to insufficient data validation, allows remote attackers to execute arbitrary code via a crafted mdb file.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| JetMicrosoft | See advisory | 4.0.8618.0 |
Patched Releases
Jet
4.0.8618.0
Timeline
Publicly disclosed
May 2, 2005
Last updated
Apr 15, 2026
References
- advisoryhexview.com · 20050331-1.txt
- exploitExploitDB-927
- exploitExploitDB-929
- exploitExploitDB-951
- otherblogs.securiteam.com
FAQ
Common Questions.
Unknown vulnerability in Microsoft Jet DB engine (msjet40.dll) 4.00.8618.0, related to insufficient data validation, allows remote attackers to execute arbitrary code via a crafted mdb file.
Affected: Jet (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.
Fixed versions are available, including Jet 4.0.8618.0.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2005-0944 On Your Attack Surface?
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