CVE-2023-32031

HIGH

Microsoft Exchange Server - Remote Code Execution via Untrusted Data Deserialization

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-32031. PoCs published by Avento.

AI-analyzed exploit summary This repository contains a README referencing CVE-2023-32031, a remote code execution vulnerability in MS Exchange PowerShell backend. It provides a link to a detailed writeup but does not include exploit code or technical implementation details.

Description

Microsoft Exchange Server Remote Code Execution Vulnerability

Exploits (1)

nomisec WRITEUP 5 stars
by Avento · poc
https://github.com/Avento/CVE-2023-32031

This repository contains a README referencing CVE-2023-32031, a remote code execution vulnerability in MS Exchange PowerShell backend. It provides a link to a detailed writeup but does not include exploit code or technical implementation details.

Classification
Writeup 90%
Attack Type
Rce
Complexity
Theoretical
Reliability
Theoretical
Target: Microsoft Exchange Server (PowerShell backend)
No auth needed
Prerequisites: Access to MS Exchange PowerShell backend
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 8.8
EPSS 0.8223
EPSS Percentile 99.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-502
Status published
Products (2)
microsoft/exchange_server 2016 cumulative_update_23
microsoft/exchange_server 2019 cumulative_update_12 (2 CPE variants)
Published Jun 14, 2023
Tracked Since Feb 18, 2026