Zoom for Windows clients prior to 5.14.0 contain an improper restriction of operations within the bounds of a memory buffer vulnerability.

published 2023-06-13 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-32271

cvss: 8.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits: 0; none known

Zoom for Windows clients prior to 5.14.0 contain an improper restriction of operations within the bounds of a memory buffer vulnerability. A malicious user may alter protected Zoom Client memory buffer potentially causing integrity issues within the Zoom Client.

Patch / fix

fixed in 1

zoom zoom 5.14.0

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 22 mo ago (2025-01-02)

Exploit prediction

0.95% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.3	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected products

Zoom Video Communications, Inc. Zoom for Windows Client

Classification

Weakness

CWE-358 Improperly Implemented Security Check for Standard
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

explore.zoom.us /en/trust/security/security-bulletin/
vendor-advisory

Sources

CVE List CVE-2023-28601
NVD CVE-2023-28601

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Summary