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01 Record

CVE-2023-39216

Improper input validation in Zoom Desktop Client for Windows before 5.14.7 may allow an unauthenticated user to enable an escalation of privilege via network access.

CriticalPUBLISHEDCNA: Zoom
CNA base score9.6 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

02 Description

Improper input validation in Zoom Desktop Client for Windows before 5.14.7 may allow an unauthenticated user to enable an escalation of privilege via network access.

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
1.22% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 68.3% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2023-08-08 17:48Z3 YR AGO
Last updated
2024-10-10 16:22Z2 YR AGO
Reserved
2023-07-25
Assigning CNA
Zoom
Record state
PUBLISHED
Severity
Critical (CVSS 9.6)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Weaknesses
  • CWE-80Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)Variant
Data version
5.1
Document digest
3640b7fa7db520e095a951a84f00e8336c0c87ebbb159f480ac7e93b5ef3d852

05 Affected products

VendorProductVersionsPlatforms
Zoom Video Communications, Inc.Zoom Desktop Client for Windowsbefore 5.14.7Windows

06 References