CVE-2023-32056
CWE-59Published: July 11, 2023· Updated: Jun 17, 2026
Official Description
Windows Server Update Service (WSUS) Elevation of Privilege Vulnerability
Risk Analysis
This is an elevation of privilege vulnerability in Windows Server Update Service (WSUS). It carries a critical CVSS score of 9.8 and is remotely exploitable, posing a significant risk to the integrity and control of affected Windows systems.
There is no public exploit available, and it is not tracked in the CISA KEV.
Ensure all affected Windows Server and client versions are updated with the latest security patches.
Technical Analysis
CVE-2023-32056 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-59)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-32056 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts