HOMEVULNERABILITIESCVE-2023-32056
CRITICAL

CVE-2023-32056

CWE-59Published: July 11, 2023· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Windows Server Update Service (WSUS) Elevation of Privilege Vulnerability

NVD Source

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.

Recommended Action

Ensure all affected Windows Server and client versions are updated with the latest security patches.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

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

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Microsoft7 product(s)
windows 10 1809windows 10 21h2windows 10 22h2windows 11 21h2windows 11 22h2windows server 2019windows server 2022
Source: NVD CPE · 7 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2023-32056
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-59
CISA KEVNo
Affected1 vendor(s)
PublishedJul 11, 2023

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
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.