Vulnerability identifier: #VU73692

Vulnerability risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-22880

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Zoom Client for Windows
Client/Desktop applications / Office applications
Zoom Rooms for Windows
Client/Desktop applications / Office applications
Virtual Desktop Infrastructure (VDI)
Server applications / Conferencing, Collaboration and VoIP solutions

Vendor: Zoom Video Communications, Inc.

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the recent update to the Microsoft Edge WebView2 runtime used by the affected Zoom clients transmitted text to Microsoft’s online Spellcheck service instead of the local Windows Spellcheck. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Zoom Client for Windows: 5.0.0 23168.0427 - 5.13.0 11216

Zoom Rooms for Windows: 5.7.3 248 - 5.13.0 2301

Virtual Desktop Infrastructure (VDI): 5.9.1 - 5.13.0

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External links
http://explore.zoom.us/en/trust/security/security-bulletin/#ZSB-23001

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.