CVE-2023-39201

Local privilege escalation via untrusted search path

Published Sep 12, 2023 · Updated Sep 25, 2024

Untrusted search path in Zoom CleanZoom files dated before 07/24/2023 allows privileged local users to escalate privileges on Windows. Zoom has not published which CleanZoom resource-loading operation trusts the attacker-controlled search path. Exploitation requires high local privileges and user interaction; successful abuse executes a selected resource with CleanZoom's elevated authority.

CVSS severity7.2
High
EPSS probability0.17%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Untrusted search path in Zoom CleanZoom files dated before 07/24/2023 allows privileged local users to escalate privileges on Windows. Zoom has not published which CleanZoom resource-loading operation trusts the attacker-controlled search path. Exploitation requires high local privileges and user interaction; successful abuse executes a selected resource with CleanZoom's elevated authority.

The record

CVE
CVE-2023-39201
Published
Sep 12, 2023
Updated
Sep 25, 2024
Vendor
Zoom Video Communications, Inc.
Product
CleanZoom
Classifications
CWE-426, CAPEC-471, T1574
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Sep 12, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 25, 2024Record 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=before file date 07/24/2023

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

Zoom Video Communications, Inc. · CleanZoomversion=before file date 07/24/2023

Published CVSS scores

6.7NIST NVDCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7.2Zoom Video Communications, Inc.CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-426Untrusted Search Path
CAPEC-471Search Order Hijacking
T1574Hijack Execution Flow

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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