CVE-2026-28306
Received Received - Intake

Privilege Escalation in SolarWinds Serv-U

Publication date: 2026-07-21

Last updated on: 2026-07-21

Assigner: SolarWinds

Description
SolarWinds Serv-U is affected by a privilege escalation vulnerability that allows a domain administrator to elevate their privileges to a system administrator. The impact is lower in Windows deployments.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-07-21
Last Modified
2026-07-21
Generated
2026-07-21
AI Q&A
2026-07-21
EPSS Evaluated
N/A
NVD
CVE-2026-28306
EUVD
EUVD-2026-46287

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
solarwinds serv-u *
solarwinds serv-u to 2026.3 (exc)
solarwinds serv-u 2026.3

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-284 The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This is a privilege escalation vulnerability in SolarWinds Serv-U where a domain administrator can gain system administrator privileges. The impact is reduced in Windows environments.

Detection Guidance

To detect CVE-2026-28306, check the installed version of SolarWinds Serv-U. If it is 15.5.4 HF1 or below, the system is vulnerable. Upgrade to version 2026.3 or later to mitigate the risk.

Impact Analysis

An attacker with domain admin access could escalate to system admin, gaining full control over the affected system. This could lead to data theft, system compromise, or unauthorized access to sensitive information.

Compliance Impact

This vulnerability could lead to unauthorized access or data breaches, which may violate compliance requirements under GDPR, HIPAA, or other regulations. Organizations may face penalties or legal consequences if such breaches occur due to unpatched systems.

Mitigation Strategies

Apply the latest security patches from SolarWinds immediately to address the privilege escalation vulnerability. Restrict domain administrator privileges to only necessary users and monitor system logs for unusual privilege changes.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-28306. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart