CVE-2025-49464

Zoom Clients for Windows- Classic Buffer Overflow

Published Jul 10, 2025 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Classic buffer overflow in certain Zoom Clients for Windows may allow an authorised user to conduct a denial of service via network access.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-21022 Classic buffer overflow in certain Zoom Clients for Windows may allow an authorised user to conduct a denial of service via network access.
History
Type Values Removed Values Added
First Time appeared Zoom
Zoom zoom
CPEs cpe:2.3:a:zoom:zoom:*:*:*:*:*:windows:*:*
Vendors & Products Zoom
Zoom zoom
Type Values Removed Values Added
Metrics epss

{'score': 0.00039}

epss

{'score': 0.00044}

Type Values Removed Values Added
Metrics epss

{'score': 0.00039}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper authentication in certain Zoom Clients for macOS before version 6.4.5 may allow an unauthenticated user to conduct an impact to application integrity via network access. Classic buffer overflow in certain Zoom Clients for Windows may allow an authorised user to conduct a denial of service via network access.
Title Zoom Clients for macOS - Improper Authentication Zoom Clients for Windows- Classic Buffer Overflow
Weaknesses CWE-287 CWE-120
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'}

cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

Type Values Removed Values Added
Description Improper authentication in certain Zoom Clients for macOS before version 6.4.5 may allow an unauthenticated user to conduct an impact to application integrity via network access.
Title Zoom Clients for macOS - Improper Authentication
Weaknesses CWE-287
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Zoom
Published
Updated
Jul 10, 2025, 6:01 PM
Reserved
Jun 4, 2025, 10:48 PM
Status
Analyzed
Published
Jul 10, 2025, 5:15 PM
Modified
Jun 17, 2026, 9:31 AM