Improper certificate validation in certain Zoom Clients for Windows may allow an unauthenticated user to conduct an information disclosure…

published 2026-10-13 27d ago modified 2026-10-15 25d ago also EUVD-2026-98765

cvss: 7.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 10%
public exploits: 0; none known

Improper certificate validation in certain Zoom Clients for Windows may allow an unauthenticated user to conduct an information disclosure via network access.

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CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 25d ago (2026-10-15)

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.4	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Zoom Communications Zoom Clients

Classification

Weakness

CWE-295 Improper Certificate Validation

References

zoom.com /en/trust/security-bulletin/zsb-26021

Sources

CVE List CVE-2026-108184
NVD CVE-2026-108184

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