Urgently patch now: Zoom Patches 6 Flaws

Zoom released a security update addressing six newly discovered vulnerabilities in its Workplace, Rooms, and SDK products for Windows, macOS, Linux, iOS, and Android. These issues could result in denial of service, information leaks, cross-site scripting, and integrity breaches.

CVE-2025-46788 (CVSS 7.4): Improper Certificate Validation in Zoom for Linux
CVE-2025-49464 (CVSS 6.5): Improper Authentication in Zoom Clients for macOS
CVE-2025-49463 (CVSS 6.5): iOS Clients Exposed via Control Flow Weakness
CVE-2025-49462 (CVSS 3.5): Cross-site Scripting Across Multiple Platforms
CVE-2025-46789 (CVSS 6.5): Another Buffer Overflow in Windows Clients

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Zoom disclosed a second buffer overflow in Windows builds prior to 6.4.5, including VDI and Room components, which also results in denial of service. The flaw reinforces the importance of patching all instances, not just client endpoints.

Zoom emphasizes the importance of immediate patching:

“Users can help keep themselves secure by applying the latest updates available at https://zoom.us/download,” the advisory urges repeatedly.

For both IT admins managing cross-platform environments and remote users, keeping your Zoom client updated is crucial for protection against exploitation.

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