High severity · published Jun 2, 2026
CVE-2026-28299
SolarWinds Web Help Desk Denial-of-Service Vulnerability
7.5
CVSS
0.7%
EPSS
No
On KEV
Description
SolarWinds Web Help Desk is found to be affected by a denial-of-service vulnerability, which when exploited, could cause the Web Help Desk server to crash due to insufficient memory.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WH
Web Help Desk · SolarWinds
2026.1 and all previous versions · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28299
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28299
Release Notes
https://documentation.solarwinds.com/en/success_center/whd/content/release_notes/whd_2026-2_release_notes.htm
Vendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28299
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