CVE-2025-49458
Zoom Workplace Clients - Buffer Overflow
Buffer overflow in certain Zoom Workplace Clients may allow an authenticated user to conduct a denial of service via network access.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Zoom Workplace Clients - Buffer Overflow
Buffer overflow in certain Zoom Workplace Clients may allow an authenticated user to conduct a denial of service via network access.
- Record
CVE-2025-49458- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2025-27615
Buffer overflow in certain Zoom Workplace Clients may allow an authenticated user to conduct a denial of service via network access.
- Record
EUVD-2025-27615- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-ccpc-pcg5-454v
Buffer overflow in certain Zoom Workplace Clients may allow an authenticated user to conduct a...
Buffer overflow in certain Zoom Workplace Clients may allow an authenticated user to conduct a denial of service via network access.
- Record
GHSA-ccpc-pcg5-454v- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
NVD
Buffer overflow in certain Zoom Workplace Clients may allow an authenticated user to conduct a denial of service via network access.
- Record
CVE-2025-49458- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-49458 is a medium vulnerability (CVSS 6.5) in Zoom Communications Inc. Workplace Clients, published September 9, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 24th percentile. No source names a fixed version.