CVE-2026-28306

Critical

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.

SeverityCritical

CVSS9.1

Exploit probability—

Product

Solarwinds Serv-u

PublishedJul 21, 2026

First seenJul 21, 2026

Weakness typeCWE-284Improper access control

How to fix

Update

solarwinds serv-u2026.3 or later

Vendor advisories

solarwinds.com/trust-center/security-advisories/CVE-2026-28306

Affected products

Product	Affected versions	Fixed in
solarwinds serv-u	v < 2026.3	2026.3

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