CVE-2026-28306: 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 administrator to elevate their privileges to a system administrator. 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-2026-28306?

CVE-2026-28306 has a critical severity rating of 9.1.

2

How can I fix CVE-2026-28306?

Fix CVE-2026-28306 by updating SolarWinds Serv-U to the latest version that addresses this vulnerability.

3

What type of vulnerability is CVE-2026-28306?

CVE-2026-28306 is a privilege escalation vulnerability.

4

Who is impacted by CVE-2026-28306?

CVE-2026-28306 impacts domain administrators using SolarWinds Serv-U, allowing them to elevate privileges.

5

Is the impact of CVE-2026-28306 different on Windows deployments?

Yes, the impact of CVE-2026-28306 is lower in Windows deployments compared to other environments.

Contact

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