CVE-2026-53412Network attack vector

Unauthenticated account takeover via undisclosed input validation

Published Jul 16, 2026 · Updated Jul 16, 2026

Improper input validation in Zoom Workplace for Windows before 7.0.0 allows remote attackers to take over accounts via network access. Zoom has not disclosed the affected input field, parser, or validation error that makes the takeover possible. No credentials or user interaction are required, and successful exploitation gives attackers control of a victim's Zoom account.

CVSS severity9.8
Critical
EPSS probability0.65%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper input validation in Zoom Workplace for Windows before 7.0.0 allows remote attackers to take over accounts via network access. Zoom has not disclosed the affected input field, parser, or validation error that makes the takeover possible. No credentials or user interaction are required, and successful exploitation gives attackers control of a victim's Zoom account.

The record

CVE
CVE-2026-53412
Published
Jul 16, 2026
Updated
Jul 16, 2026
Vendor
Zoom Video Communications, Inc.
Product
Zoom Workplace
Classifications
CWE-20
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 16, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 16, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <7.0.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Zoom Video Communications, Inc. · Zoom Workplaceversion=0 <7.0.0

Published CVSS scores

9.8Zoom CommunicationsCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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