CVE-2026-28307: SolarWinds Serv-U Privilege Escalation Vulnerability

Published Jul 21, 2026
·
Updated

SolarWinds Serv-U is affected by a privilege escalation vulnerability that allows a domain user group to be elevated into an administrator group. The impact is lower in Windows deployments.

Affected Software

2 affected components
SolarWinds Serv-U
SolarWinds Serv-U<2026.3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade SolarWinds Serv-U to a version that resolves this vulnerability.

    Fixed in 2026.3

Event History

Jul 21, 2026
CVE Published
via MITRE·03:34 PM
Data Sourced
via MITRE·03:34 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·04:17 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-28307?

The severity of CVE-2026-28307 is critical with a CVSS score of 9.1.

2

How do I fix CVE-2026-28307?

To fix CVE-2026-28307, update your SolarWinds Serv-U software to the latest version that addresses this vulnerability.

3

What systems are impacted by CVE-2026-28307?

CVE-2026-28307 primarily impacts SolarWinds Serv-U installations where domain users can be elevated to administrator privileges.

4

What is the impact of CVE-2026-28307 on Windows deployments?

The impact of CVE-2026-28307 is lower in Windows deployments compared to other environments.

5

Who is affected by CVE-2026-28307?

Domain user groups have the potential to be elevated to administrative access through CVE-2026-28307.

Contact

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