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CVE-2026-30903

⛔ critical
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Summary

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.

CVSS Score
9.6
Critical
EPSS Score
0.1
Exploit Probability
Published Date
2026-03-11
First Seen: 2026-03-12
📊 Relative Risk Intelligence

This CVE is Very High Risk - more severe than 90.2% of all 329,456 vulnerabilities in our database.

#32,221
Top 10% most severe
Severity Percentile
🎯 CISA SSVC Assessment Updated: Mar 11, 2026
🔍 Exploitation Status
None
No known exploits
⚙️ Automatable
NO
Requires human interaction
💥 Technical Impact
Total
Complete system compromise possible
SSVC data provided by CISA
Last Modified 2026-05-14
Source NVD 🔗
CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CWE IDs (Weakness Types)
CWE-73 CWE-610

📦 Affected Products 4

Vendor Product Status Affected Versions
zoom workplace_desktop Affected
< 6.6.0
zoom workplace_virtual_desktop_infrastructure Affected
> 6.4.0 < 6.4.17
zoom workplace_virtual_desktop_infrastructure Affected
> 6.5.0 < 6.5.15
zoom workplace_virtual_desktop_infrastructure Affected
> 6.6.0 < 6.6.10

🔗 References 1

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

🔗 Related CVEs 6

CVE ID Severity CVSS EPSS Summary Published
CVE-2026-30905 ⚠️ high 7.8 0.0 External Control of File Name or Path in the Zoom Workplace VDI Plugin Windows Universal Installer before version 6.6.11... 2026-05-13
CVE-2026-30900 ⚠️ high 7.8 0.0 Improper Check of minimum version in update functionality of certain Zoom Clients for Windows may allow an authenticated... 2026-03-11
CVE-2026-30902 ⚠️ high 7.8 0.0 Improper Privilege Management in certain Zoom Clients for Windows may allow an authenticated user to conduct an escalati... 2026-03-11
CVE-2025-30669 🔶 medium 4.8 0.0 Improper certificate validation in certain Zoom Clients may allow an unauthenticated user to conduct a disclosure of inf... 2025-11-13
CVE-2025-62482 🔶 medium 4.3 0.1 Cross-site scripting in Zoom Workplace for Windows before version 6.5.10 may allow an unauthenticated user to impact int... 2025-11-13
CVE-2025-62483 🔶 medium 5.3 0.1 Improper removal of sensitive information in certain Zoom Clients before version 6.5.10 may allow an unauthenticated use... 2025-11-13
These CVEs affect the same products