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CVE Record

CVE-2022-22786: Update package downgrade in Zoom Client for Meetings for Windows

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.

HighCVSS 7.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This flaw affects Windows Zoom deployments that were not updated to version 5.10.0. An attacker could use the update process to trick a user into installing an older, less secure Zoom version, weakening protections and potentially enabling follow-on compromise.

Executive priority

Treat this as a high-priority hygiene issue for Windows Zoom fleets, especially conference rooms and managed desktops. It is not cited as actively exploited, but leaving downgrade paths open can weaken endpoint security controls.

Technical view

Zoom Client for Meetings for Windows and Zoom Rooms for Conference Room for Windows before 5.10.0 did not properly check installation version during updates. The CVSS 3.1 score is 7.5, with network attack vector, high complexity, and required user interaction.

Likely exposure

Exposure is limited to Windows systems running affected Zoom Client for Meetings or Zoom Rooms versions before 5.10.0. The source bundle does not identify affected macOS, Linux, mobile, or web products.

Exploitation context

The sources do not show CISA KEV listing or active exploitation. The described scenario requires a more sophisticated attack and user interaction to induce a downgrade, so risk is highest where outdated Zoom clients remain common.

Researcher notes

Evidence is concise. The bundle provides no CWE, no CPEs, and affected versions are listed as unspecified while the description states before 5.10.0. Validate product scope against Zoom’s bulletin before broad claims.

Mitigation direction

  • Upgrade affected Windows Zoom Client and Zoom Rooms installations to version 5.10.0 or later.
  • Check Zoom’s security bulletin for current vendor guidance and any newer fixed versions.
  • Remove unsupported or stale Zoom installers from managed software catalogs.
  • Use endpoint management to prevent unauthorized Zoom downgrades where supported.

Validation and detection

  • Inventory Windows endpoints for Zoom Client for Meetings versions below 5.10.0.
  • Inventory Windows Zoom Rooms systems for versions below 5.10.0.
  • Confirm software deployment tools publish only approved Zoom versions.
  • Review endpoint telemetry for unexpected Zoom downgrade events.
Prepared
Confidence
high
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2022-22786 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
3Timeline events
2ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: total

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H1.65.9Zoom

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2022-22786Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CVECVE Program Container
CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Zoom Video Communications IncZoom Client for Meetings for WindowsunspecifiedListed
Zoom Video Communications IncZoom Rooms for Conference Room for WindowsunspecifiedListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.