CVE-2020-1400: Microsoft Windows JET Database Engine Integer Underflow Remote Code Execution Vulnerability

Published Jul 14, 2020
·
Updated

A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory, aka 'Jet Database Engine Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-1401, CVE-2020-1407.

Other sources

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the JET database engine. Crafted data in an MDB file can trigger an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process.

Affected Software

21 affected components
Microsoft Windows 10
Microsoft Windows 10=1607
Microsoft Windows 10=1709
Microsoft Windows 10=1803
Microsoft Windows 10=1809
Microsoft Windows 10=1903
Microsoft Windows 10=1909
Microsoft Windows 10=2004
Microsoft Windows 7=sp1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=1903
Microsoft Windows Server 2016=1909
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019
Microsoft Windows

Event History

Jul 14, 2020
CVE Published
via MITRE·10:54 PM
Data Sourced
via MITRE·10:54 PM
DescriptionWeakness
Apr 1, 2025
Advisory Published
via ZDI·05:16 PM

Frequently Asked Questions

1

What is the severity of CVE-2020-1400?

CVE-2020-1400 has a CVSS score that indicates it allows remote code execution, making it a high severity vulnerability.

2

How do I fix CVE-2020-1400?

To fix CVE-2020-1400, apply the latest security updates provided by Microsoft for affected Windows versions.

3

Which versions of Windows are affected by CVE-2020-1400?

CVE-2020-1400 affects various Windows versions including Windows 7, 8.1, Windows 10, and Windows Server 2012, among others.

4

What causes CVE-2020-1400 vulnerability?

CVE-2020-1400 is caused by the Windows Jet Database Engine improperly handling objects in memory.

5

Can CVE-2020-1400 be exploited remotely?

Yes, CVE-2020-1400 can be exploited remotely by attackers to execute arbitrary code on the affected system.

Contact

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