CVE-2026-53411

A time-of-check to time-of-use (TOCTOU) race condition in the installation and uninstallation process of certain Zoom Clients for Windows could allow an authenticated local user to escalate privileges.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.zoom.com/en/trust/security-bulletin/zsb-26013	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:zoom:workplace_virtual_desktop_infrastructure:*:*:*:*:*:windows:*:*

History

No history.

Information

Published : 2026-07-16 22:17

Updated : 2026-08-12 00:03

NVD link : CVE-2026-53411

Mitre link : CVE-2026-53411

CVE.ORG link : CVE-2026-53411

JSON object : View

Products Affected

zoom

workplace_virtual_desktop_infrastructure

CWE

CWE-20

Improper Input Validation

{"id": "CVE-2026-53411", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-53411", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-07-17T13:19:11.633083Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@zoom.us", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.0, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.0}]}, "affected": [{"source": "security@zoom.us", "affectedData": [{"vendor": "Zoom Communications", "product": "Zoom Workplace VDI Plugin", "versions": [{"status": "affected", "version": "0", "lessThan": "6.6.14", "versionType": "custom"}], "platforms": ["Windows"], "defaultStatus": "unaffected"}]}], "published": "2026-07-16T22:17:31.267", "references": [{"url": "https://www.zoom.com/en/trust/security-bulletin/zsb-26013", "tags": ["Vendor Advisory"], "source": "security@zoom.us"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@zoom.us", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "A time-of-check to time-of-use (TOCTOU) race condition in the installation and uninstallation process of certain Zoom Clients for Windows could allow an authenticated local user to escalate privileges."}], "lastModified": "2026-08-12T00:03:23.660", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:zoom:workplace_virtual_desktop_infrastructure:*:*:*:*:*:windows:*:*", "vulnerable": true, "matchCriteriaId": "F08AE78A-94FD-4671-B3AF-BCCE480C929F", "versionEndExcluding": "6.6.14"}], "operator": "OR"}]}], "sourceIdentifier": "security@zoom.us"}