Is CVE-2026-3502 in the CISA KEV catalog?

Yes. CVE-2026-3502 is on the CISA Known Exploited Vulnerabilities list, added 2026-04-02.

What is the CVSS severity of CVE-2026-3502?

CVE-2026-3502 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2026-3502?

CVE-2026-3502 has an EPSS score of 5.75% (92th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2026-3502

HIGHCISA KEVEPSS 92th pctl

7.8

CVSS v3

NVD

Description

TrueConf Client downloads application update code and applies it without performing verification. An attacker who is able to influence the update delivery path can substitute a tampered update payload. If the payload is executed or installed by the updater, this may result in arbitrary code execution in the context of the updating process or user.

CWE-494

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredHigh

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityLow

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

Exploit Intelligence

5.75%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Remediation due: 2026-04-16

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 2026-04-03.