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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-30897A stack-based buffer overflow vulnerability in Fortinet Fort…6.6
- CVE-2026-30898An example of BashOperator in Airflow documentation suggeste…8.8
- CVE-2026-3090The Post SMTP – Complete Email Deliverability and SMTP Solut…7.2
- CVE-2026-30900Improper Check of minimum version in update functionality of…7.8
- CVE-2026-30901Improper Input Validation in Zoom Rooms for Windows before 6…7.8
- CVE-2026-30902Improper Privilege Management in certain Zoom Clients for Wi…7.8
- CVE-2026-30904Protection Mechanism Failure in Zoom Workplace for iOS befor…4.3
- CVE-2026-30905External Control of File Name or Path in the Zoom Workplace …7.8
- CVE-2026-30906Untrusted search path in the installer for Zoom Rooms for Wi…7.8
- CVE-2026-30909Crypt::NaCl::Sodium versions through 2.002 for Perl has pote…9.8
- CVE-2026-3091An uncontrolled search path element vulnerability in Synolog…7.3
- CVE-2026-30910Crypt::Sodium::XS versions through 0.001000 for Perl has pot…7.5
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