Is CVE-2026-34926 in the CISA KEV catalog?

Yes. CVE-2026-34926 is on the CISA Known Exploited Vulnerabilities list, added 2026-05-21.

What is the CVSS severity of CVE-2026-34926?

CVE-2026-34926 has a CVSS v3 base score of 6.7 (MEDIUM).

What is the EPSS score for CVE-2026-34926?

CVE-2026-34926 has an EPSS score of 12.68% (96th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-34926

MEDIUMCISA KEVEPSS 96th pctl

6.7

CVSS v3

NVD

Description

A directory traversal vulnerability in the Apex One (on-premise) server could allow a pre-authenticated local attacker to modify a key table on the server to inject malicious code to deploy to agents on affected installations. This vulnerability is only exploitable on the on-premise version of Apex One and a potential attacker must have access to the Apex One Server and already obtained administrative credentials to the server via some other method to exploit this vulnerability.

CWE-23

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredHigh

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

12.68%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Remediation due: 2026-06-04

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 2026-05-21.