Zoom Patches Critical Flaw (CVE-2025-49457): Windows Users Face Privilege Escalation Risk
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Zoom has released security updates addressing two significant vulnerabilities in its Windows-based clients—CVE-2025-49456 and CVE-2025-49457—that could enable attackers to compromise systems through race conditions and untrusted search paths.
The first flaw, CVE-2025-49456 (CVSS 6.2), is a race condition in the installer for certain Zoom Clients for Windows. According to Zoom, it “may allow an unauthenticated user to impact application integrity via local access.”
This means that a local attacker could potentially manipulate the installation process to alter or replace application files before they are properly secured, potentially enabling malicious code execution.
The second and more severe issue, CVE-2025-49457 (CVSS 9.6), is an untrusted search path vulnerability in certain Zoom Clients for Windows. Zoom warns that it “may allow an unauthenticated user to conduct an escalation of privilege via network access.”
By placing a malicious file in a location searched before the legitimate file path, an attacker—potentially over a network share—could trick the application into executing malicious code with elevated privileges.
Both vulnerabilities have been fixed in the latest releases. Zoom advises all users to immediately update their clients to the patched versions via the official Zoom Download Center.
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