Improper input validation in Zoom Desktop Client for Windows before 5.15.5 may allow an authenticated user to enable an information disclos…

published 2023-08-08 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-42943

cvss: 5.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits: 0; none known

Improper input validation in Zoom Desktop Client for Windows before 5.15.5 may allow an authenticated user to enable an information disclosure via network access.

Patch / fix

fixed in 1

zoom zoom 5.15.5

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-10-04)

Exploit prediction

0.96% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.9	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:L
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

Zoom Video Communications, Inc. Zoom Desktop Client for Windows

Classification

Weakness

CWE-449 The UI Performs the Wrong Action
CWE-20 Improper Input Validation

References

explore.zoom.us /en/trust/security/security-bulletin/
vendor-advisory

Sources

CVE List CVE-2023-39209
NVD CVE-2023-39209

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary