CVE-2023-22880

Information Disclosure in Zoom for Windows Clients

HIGH

7.5

CVSS Score

Published: March 16, 2023 at 12:00 AM UTC

Updated: June 17, 2026 at 05:36 AM UTC

6 products affected across 2 vendorsRoomsZoomVirtual Desktop Infrastructure

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Severity

HIGH7.5

Exploit prediction

EPSS 1.0%

SSVC

No known exploit

Description

Zoom for Windows clients before version 5.13.3, Zoom Rooms for Windows clients before version 5.13.5 and Zoom VDI for Windows clients before 5.13.1 contain an information disclosure vulnerability. A 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. Updating Zoom remediates this vulnerability by disabling the feature. Updating Microsoft Edge WebView2 Runtime to at least version 109.0.1481.0 and restarting Zoom remediates this vulnerability by updating Microsoft’s telemetry behavior.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Rooms · Zoom

95%

v < 5.13.3

Affected range stops below 5.13.3, so it looks safe — our inference, not a vendor statement

Virtual Desktop Infrastructure · Zoom

95%

v < 5.13.1

Affected range stops below 5.13.1, so it looks safe — our inference, not a vendor statement

Zoom · Zoom

95%

v < 5.13.3

Affected range stops below 5.13.3, so it looks safe — our inference, not a vendor statement

Zoom Rooms · Zoom Video Communications

60%

v < 5.13.3

Affected range stops below 5.13.3, so it looks safe — our inference, not a vendor statement

Zoom VDI Client · Zoom Video Communications

60%

v < 5.13.1

Affected range stops below 5.13.1, so it looks safe — our inference, not a vendor statement

Zoom · Zoom Video Communications

60%

v < 5.13.3

Affected range stops below 5.13.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://explore.zoom.us/en/trust/security/security-bulletin/

References (1)

Vendor Advisory

Source: [email protected]

https://explore.zoom.us/en/trust/security/security-bulletin/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-200NVD-CWE-noinfo

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