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CVE-2022-22786

Update package downgrade in Zoom Client for Meetings for Windows

HIGH
8.8
CVSS Score
Published: May 18, 2022 at 03:42 PM UTC
Updated: June 17, 2026 at 04:29 AM UTC
4 products affected across 2 vendorsRoomsMeetingsZoom Rooms

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Severity
HIGH8.8
Exploit prediction
EPSS 2%
SSVC
No known exploit

Description

The Zoom Client for Meetings for Windows before version 5.10.0 and Zoom Rooms for Conference Room for Windows before version 5.10.0, fails to properly check the installation version during the update process. This issue could be used in a more sophisticated attack to trick a user into downgrading their Zoom client to a less secure version.

Affected

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

Meetings· Zoom
95%
v < 5.10.0
Affected range stops below 5.10.0, so it looks safe — our inference, not a vendor statement
Rooms· Zoom
95%
v < 5.10.0
Affected range stops below 5.10.0, so it looks safe — our inference, not a vendor statement
Zoom Rooms· Zoom Video Communications
60%
v < 5.10.0
Affected range stops below 5.10.0, so it looks safe — our inference, not a vendor statement
Zoom Client for Meetings· Zoom Video Communications
60%
v < 5.10.0
Affected range stops below 5.10.0, 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

References (1)

x_refsource_MISCx_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://explore.zoom.us/en/trust/security/security-bulletin

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

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

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-494

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