CVE-2025-30667Network attack vector

Authenticated service interruption via undisclosed null dereference

Published May 14, 2025 · Updated May 14, 2025

NULL pointer dereference in Zoom Workplace Apps for Windows allows remote authenticated users to interrupt the app via network access. Zoom has not disclosed the affected component, the input that reaches it, or how that input is dereferenced as a null pointer. A valid Zoom account is required; successful exploitation interrupts the affected app without reported data exposure or modification.

CVSS severity6.5
Medium
EPSS probability0.54%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

NULL pointer dereference in Zoom Workplace Apps for Windows allows remote authenticated users to interrupt the app via network access. Zoom has not disclosed the affected component, the input that reaches it, or how that input is dereferenced as a null pointer. A valid Zoom account is required; successful exploitation interrupts the affected app without reported data exposure or modification.

The record

CVE
CVE-2025-30667
Published
May 14, 2025
Updated
May 14, 2025
Vendor
Zoom Video Communications, Inc.
Product
Zoom Workplace Apps
Classifications
CWE-476, T1499
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 14, 2025CVE publishedPublication date reported by the CVE source.
  2. May 14, 2025Record 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=see references

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Zoom Video Communications, Inc. · Zoom Workplace Appsversion=see references

Published CVSS scores

6.5Zoom Communications, Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-476NULL Pointer Dereference
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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