CISA Known Exploited Vulnerability
This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.
Remediation Deadline: Feb 6, 2026
Description
SolarWinds Web Help Desk contains a deserialization of untrusted data vulnerability that could lead to remote code execution, which would allow an attacker to run commands on the host machine. This could be exploited without authentication.
EPSS — Exploit Probability
80.6%
Higher than 99.1% of all CVEs
Required Action
https://www.solarwinds.com/trust-center/security-advisories/cve-2025-40551 ; https://nvd.nist.gov/vuln/detail/CVE-2025-40551
Risk Assessment
HIGHIn CISA KEV
High EPSS
Details
- Severity
- High
- EPSS
- 80.6%
- CISA KEV
- Yes
- Ransomware
- Unknown
- Articles
- 1
Timeline
Published
Feb 3, 2026
Added to KEV
Feb 3, 2026
Remediation Due
Feb 6, 2026