CVE-2025-46789 json
Zoom Clients for Windows - Classic Buffer Overflow
published last yr. modified 4mo ago also EUVD-2025-21011
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
Summary
Classic buffer overflow in certain Zoom Clients for Windows may allow an authorized user to conduct a denial of service via network access.
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.55% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Affected products
- Zoom Communications Inc. Zoom Clients for Windows
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
https
//www.zoom.com/en/trust/security-bulletin/zsb-25024/
broken-link, vendor-advisory
Sources
- CVE List CVE-2025-46789
- NVD CVE-2025-46789
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