SB2026031051 - Arbitrary file overwrite in Zoom Workplace for Windows Mail feature
Published: March 10, 2026
Security Bulletin ID
SB2026031051
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Path traversal (CVE-ID: CVE-2026-30903)
CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSSv4: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to input validation error when processing files in the Mail feature. A remote attacker can trick the victim into opening a specially crafted email and overwrite arbitrary files on the system, leading to remote code execution.
Remediation
Install update from vendor's website.