CVE-2026-28312
Received Received - Intake

Privilege Escalation in SolarWinds Serv-U

Vulnerability report for CVE-2026-28312, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-07-21

Last updated on: 2026-07-21

Assigner: SolarWinds

Description

SolarWinds Serv-U is affected by a privilege escalation vulnerability. This would elevate a group’s access to system administrator and allow code execution as root. The impact is lower in Windows deployments.

CVSS Scores

EPSS Scores

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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
EUVD

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
solarwinds serv-u *
solarwinds serv-u 2026.3

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-285 The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

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Executive Summary

SolarWinds Serv-U has a privilege escalation flaw that allows a group to gain system administrator access and execute code as root. This vulnerability is less severe in Windows environments.

Impact Analysis

An attacker could exploit this to gain full control over the affected system, leading to unauthorized access, data theft, or further network compromise. The high CVSS score indicates significant risk.

Compliance Impact

The vulnerability allows privilege escalation to system administrator level and potential root code execution, which could lead to unauthorized access to sensitive data. This may violate compliance requirements under GDPR (data protection) and HIPAA (health information security) by enabling unauthorized data access or disclosure.

Mitigation Strategies

Update SolarWinds Serv-U to the latest patched version immediately to address the privilege escalation vulnerability. Restrict access to Serv-U administration interfaces and monitor for unusual system-level activities or unauthorized privilege changes.

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