CVE-2026-30903

critical

Published 2026-03-11 · Modified 2026-05-14

CVSS v3

9.8

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

CVSS v2

—

VIR risk

9.8

Description

External Control of File Name or Path in the Mail feature of Zoom Workplace for Windows before 6.6.0 may allow an unauthenticated user to conduct an escalation of privilege via network access.

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: security@zoom.us — https://www.zoom.com/en/trust/security-bulletin/zsb-26005

Application impact

Vendor	Product	Versions	Fixed
zoom	workplace_desktop	`{"endExcluding":"6.6.0"}`	`6.6.0`
zoom	workplace_virtual_desktop_infrastructure	`{"startIncluding":"6.4.0","endExcluding":"6.4.17"}`	`6.4.17`

References

https://www.zoom.com/en/trust/security-bulletin/zsb-26005

CWEs

CWE-73 CWE-610

Verify integrity in audit chain (admin only). AS-IS.