Vulnerability · Published Jul 10, 2025 · Assigned by Zoom
CVE-2025-49464Zoom Clients for Windows- Classic Buffer Overflow
Medium 6.5
In plain English
A medium-severity buffer overflow in Zoom Clients for Windows from Zoom Communications Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.7%top 46.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Classic buffer overflow in certain Zoom Clients for Windows may allow an authorised user to conduct a denial of service via network access.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Zoom Communications Inc. | Zoom Clients for Windows | 0 – before 6.4.5 |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H