Home/CVE/External Control of File Name or Path in the Mail feature of Zoom Workplace for Windows before 6.6.0 may allow an unauth
CVE

CVE-2026-30903

External Control of File Name or Path in the Mail feature of Zoom Workplace for Windows before 6.6.0 may allow an unauth

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.

CRITICAL · CVSS 9.6 EPSS 0.00103
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-610Externally Controlled Reference to a Resource in Another Sphere
CWE-73External Control of File Name or Path
▤

Affected Products & Versions

4
zoom workplace desktop< 6.6.0
zoom workplace virtual desktop infrastructure>= 6.4.0 and < 6.4.17
zoom workplace virtual desktop infrastructure>= 6.5.0 and < 6.5.15
zoom workplace virtual desktop infrastructure>= 6.6.0 and < 6.6.10
▣

Scoring & Timeline

9.6
CRITICAL · CVSS v3.1 · security@zoom.us
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Mar 2026 · 03:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.zoom.com/en/trust/security-bulletin/zsb-26005Vendor Advisory
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