CVE-2023-35317

HIGH

Windows Server 2012, 2016, 2019, 2022 - Elevation of Privilege via WSUS Deserialization

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-35317. PoCs published by M507.

AI-analyzed exploit summary This PoC exploits CVE-2025-59287, a deserialization vulnerability in Microsoft Windows Update Service (WSUS). It demonstrates unauthorized remote code execution by leveraging SOAP-based authentication bypass and crafted payloads.

Description

Windows Server Update Service (WSUS) Elevation of Privilege Vulnerability

Exploits (1)

nomisec WORKING POC 7 stars
by M507 · poc
https://github.com/M507/CVE-2025-59287-PoC

This PoC exploits CVE-2025-59287, a deserialization vulnerability in Microsoft Windows Update Service (WSUS). It demonstrates unauthorized remote code execution by leveraging SOAP-based authentication bypass and crafted payloads.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Microsoft Windows Update Service (WSUS)
No auth needed
Prerequisites: Network access to vulnerable WSUS server · Python environment with required dependencies
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0182
EPSS Percentile 75.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/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 (5)
microsoft/windows_server_2012
microsoft/windows_server_2012 r2
microsoft/windows_server_2016
microsoft/windows_server_2019
microsoft/windows_server_2022
Published Jul 11, 2023
Tracked Since Feb 18, 2026