ZDI-21-1309: Microsoft Access ACCDB File Parsing Use-After-Free Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Access. 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 parsing of ACCDB database files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Access 2010 |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-21-1309?
The severity of ZDI-21-1309 is high due to its potential to allow remote code execution.
How do I fix ZDI-21-1309?
To fix ZDI-21-1309, ensure that your Microsoft Access software is updated to the latest version provided by Microsoft.
What products are affected by ZDI-21-1309?
ZDI-21-1309 affects Microsoft Access installations.
What type of attack is ZDI-21-1309 associated with?
ZDI-21-1309 is associated with remote code execution attacks requiring user interaction.
What is the exploit requirement for ZDI-21-1309?
Exploitation of ZDI-21-1309 requires the user to visit a malicious website or open a malicious file.
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- alias/CVE-2021-41368
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