CVE-2023-49647: A High-Risk Zoom Vulnerability

In the digital age, where virtual meetings and webinars have become ubiquitous, Zoom Video Communications’ software, Zoom Meetings, stands out as a linchpin of virtual communication. However, the discovery of CVE-2023-49647, a significant privilege escalation vulnerability, has cast a spotlight on the importance of cybersecurity in the era of widespread remote interaction.

Rated 8.8 on the Common Vulnerability Scoring System (CVSS), CVE-2023-49647 is a substantial security loophole that raises red flags for individual users and organizations alike. The vulnerability resides in several Zoom products: the Desktop Client for Windows, the VDI Client for Windows, and both the Video and Meeting SDKs for Windows, specifically in versions before 5.16.10.


The crux of this issue lies in improper access control. It allows an authenticated user to escalate privileges via local access, potentially leading to unauthorized actions and access within the system. This vulnerability could be exploited to gain elevated rights, posing a serious threat to the confidentiality and integrity of Zoom sessions and user data.

The products impacted by CVE-2023-49647 include:

  • Zoom Desktop Client for Windows (before version 5.16.10)
  • VDI Client for Windows (before version 5.16.10, excluding 5.14.14 and 5.15.12)
  • Zoom Video SDK for Windows (before version 5.16.10)
  • Zoom Meeting SDK for Windows (before version 5.16.10)

Security researcher sim0nsecurity has been credited for finding this flaw.

For users and organizations relying on Zoom for their daily operations, the immediate step towards safeguarding against this vulnerability is clear: update your software. Applying the latest updates or downloading the newest version of Zoom software is crucial. Zoom has addressed the issue in its latest versions, fortifying its software against this specific security breach. Users can access these updates from Zoom’s official download page.