CVE-2026-28307: CWE-284 Improper Access Control in SolarWinds Serv-U
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.
AI Analysis
Technical Summary
SolarWinds Serv-U suffers from a privilege escalation vulnerability categorized under CWE-284 (Improper Access Control). This flaw enables a domain user group to gain administrator group privileges, potentially allowing unauthorized administrative actions. The vulnerability has a high CVSS score of 9.1, indicating critical severity with network attack vector, low attack complexity, and no user interaction required. The impact includes high confidentiality, integrity, and availability consequences. The vendor has not yet provided an official fix or remediation guidance, and no known exploits are reported in the wild. The vulnerability affects Serv-U but no specific affected versions have been identified.
Potential Impact
Successful exploitation allows elevation of privileges from a domain user group to an administrator group, potentially compromising system confidentiality, integrity, and availability. The impact severity is critical, though it is noted to be less severe on Windows deployments. This could lead to unauthorized administrative control over the affected Serv-U system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, closely monitor vendor communications for updates. No specific mitigations or workarounds have been provided by the vendor at this time.
CVE-2026-28307: CWE-284 Improper Access Control in SolarWinds Serv-U
Description
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.
CVSS v3.1
Score 9.1critical
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
SolarWinds Serv-U suffers from a privilege escalation vulnerability categorized under CWE-284 (Improper Access Control). This flaw enables a domain user group to gain administrator group privileges, potentially allowing unauthorized administrative actions. The vulnerability has a high CVSS score of 9.1, indicating critical severity with network attack vector, low attack complexity, and no user interaction required. The impact includes high confidentiality, integrity, and availability consequences. The vendor has not yet provided an official fix or remediation guidance, and no known exploits are reported in the wild. The vulnerability affects Serv-U but no specific affected versions have been identified.
Potential Impact
Successful exploitation allows elevation of privileges from a domain user group to an administrator group, potentially compromising system confidentiality, integrity, and availability. The impact severity is critical, though it is noted to be less severe on Windows deployments. This could lead to unauthorized administrative control over the affected Serv-U system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, closely monitor vendor communications for updates. No specific mitigations or workarounds have been provided by the vendor at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- SolarWinds
- Date Reserved
- 2026-02-26T14:28:17.157Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a5f96f02a4a8d59895fb23f
Added to database: 07/21/2026, 15:57:36 UTC
Last enriched: 07/21/2026, 16:14:00 UTC
Last updated: 07/21/2026, 21:03:14 UTC
Views: 5
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