CVE-2026-30903
CRITICALCVSS 9.8/10EPSS 0.33%
Last modified
CVE-2026-30903 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zoom | Workplace Desktop | < 6.6.0 |
| Zoom | Workplace Virtual Desktop Infrastructure | >= 6.4.0, < 6.4.17 |
| Zoom | Workplace Virtual Desktop Infrastructure | >= 6.5.0, < 6.5.15 |
| Zoom | Workplace Virtual Desktop Infrastructure | >= 6.6.0, < 6.6.10 |
References
- https://www.zoom.com/en/trust/security-bulletin/zsb-26005Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is 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 unauthenticated user to conduct an escalation of privilege via network access.
How severe is CVE-2026-30903?
CVE-2026-30903 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.
How do I fix CVE-2026-30903?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2026-30903?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST