CVE-2024-27238

Local privilege escalation during installation

Published Jul 15, 2024 · Updated Aug 2, 2024

A race condition in Windows installers for Zoom products before 6.0.0 allows local users to gain elevated privileges during installation. Zoom has not identified the installer resource involved, the check-use sequence, or the operation performed after the race is won. The attack requires local access, an authenticated session, and installer execution; the reported consequence is privilege escalation.

CVSS severity4.4
Medium
EPSS probability0.11%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A race condition in Windows installers for Zoom products before 6.0.0 allows local users to gain elevated privileges during installation. Zoom has not identified the installer resource involved, the check-use sequence, or the operation performed after the race is won. The attack requires local access, an authenticated session, and installer execution; the reported consequence is privilege escalation.

The record

CVE
CVE-2024-27238
Published
Jul 15, 2024
Updated
Aug 2, 2024
Vendor
Zoom Video Communications, Inc.
Product
Zoom Workplace
Classifications
CWE-367
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 15, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 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=0 <6.0.0.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Zoom Video Communications, Inc. · Zoom Workplaceversion=0 <6.0.0.
Zoom Video Communications, Inc. · Zoom Roomsversion=0 <6.0.0
Zoom Video Communications, Inc. · Zoom Meeting SDKversion=0 <6.0.0.

Published CVSS scores

6.3NIST NVDCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
7.1Zoom Video Communications, Inc. CNACVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
4.4Zoom CommunicationsCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

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

Weakness, pattern, technique

CWE-367Time-of-check Time-of-use (TOCTOU) Race Condition

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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