Is CVE-2026-28299 in the CISA KEV catalog?

No. CVE-2026-28299 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-28299?

CVE-2026-28299 has a CVSS v3 base score of 8.2 (HIGH).

What is the EPSS score for CVE-2026-28299?

CVE-2026-28299 has an EPSS score of 0.42% (33th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-28299

HIGH

8.2

CVSS v3

NVD

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.

CWE-770

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityHigh

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

Exploit Intelligence

0.42%probability of exploitation in 30 days

33rdpercentile

Low risk: more likely to be exploited than 33% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-04.