CVE-2025-40536

8.1 HIGH CISA KEV - Actively Exploited

Published: January 28, 2026 Modified: February 13, 2026

Description

SolarWinds Web Help Desk was found to be susceptible to a security control bypass vulnerability that if exploited, could allow an unauthenticated attacker to gain access to certain restricted functionality.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm

Source: psirt@solarwinds.com

Release Notes

https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40536

Source: psirt@solarwinds.com

Vendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-40536

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

US Government Resource

https://www.huntress.com/blog/active-exploitation-solarwinds-web-help-desk-cve-2025-26399

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Third Party Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score

8.1 / 10.0

EPSS (Exploit Probability)

69.1%

99th percentile

Exploitation Status

Actively Exploited

Remediation due: 2026-02-15

Weaknesses (CWE)

CWE-693

Affected Vendors

solarwinds

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