CVE-2025-40536

CRITICAL CISA KEV EPSS 99.6%
Published Jan 28, 20265mo ago · Modified Jun 17, 20261w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Jan 28, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago
KEV Listed Feb 12, 2026 4mo ago
KEV Due Feb 15, 2026 135d overdue

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.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

CISA Known Exploited Overdue 135d
Added
Feb 12, 2026
Due
Feb 15, 2026

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

EPSS Exploit Probability
99.6% percentile
Exploit & Patch Status
Actively Exploited (KEV)
No Patch Available

Weaknesses 1

CWE-693

Affected Products 1

VendorProductVersionRange
solarwindsweb_help_desk* <2026.1

References 4

  • documentation.solarwinds.com https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-1_release_notes.htm
    Release Notes
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-40536
    US Government Resource
  • huntress.com https://www.huntress.com/blog/active-exploitation-solarwinds-web-help-desk-cve-2025-26399
    Third Party Advisory
  • solarwinds.com https://www.solarwinds.com/trust-center/security-advisories/CVE-2025-40536
    Vendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.