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CVE-2025-40536

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.

Scores

9.8
CVSS 9.8 out of 10, critical severity.
73.6%
EPSS 73.6% chance of exploitation in the next 30 days.

The facts

Published
28 January 2026
Last changed
17 June 2026
NVD status
Analyzed
Severity
Critical, CVSS 9.8 out of 10 (version 3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
Affects
  • solarwinds web help desk
Known exploited
Yes. CISA added it to the Known Exploited Vulnerabilities catalogue on 12 February 2026.
EPSS
73.6% chance of exploitation activity in the next 30 days (percentile 99).

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References