How severe is CVE-2025-49458?

CVE-2025-49458 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-49458 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-49458?

CVE-2025-49458 primarily affects Zoom Meeting Software Development Kit. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-49458?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-49458 have an EU (EUVD) identifier?

Yes. CVE-2025-49458 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27615.

When was CVE-2025-49458 published?

CVE-2025-49458 was published on 2025-09-09 and last updated on 2026-06-17.

CVE-2025-49458

CVE-2025-49458 is a medium-severity vulnerability in Zoom Meeting Software Development Kit with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-27615
Weakness: CWE-120
Affected product: Zoom Meeting Software Development Kit
Published: 2025-09-09
Last modified: 2026-06-17

Description

Buffer overflow in certain Zoom Workplace Clients may allow an authenticated user to conduct a denial of service via network access.

Frequently asked questions

What is CVE-2025-49458?: Buffer overflow in certain Zoom Workplace Clients may allow an authenticated user to conduct a denial of service via network access.
How severe is CVE-2025-49458?: CVE-2025-49458 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-49458 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-49458?: CVE-2025-49458 primarily affects Zoom Meeting Software Development Kit. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-49458?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-49458 have an EU (EUVD) identifier?: Yes. CVE-2025-49458 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27615.
When was CVE-2025-49458 published?: CVE-2025-49458 was published on 2025-09-09 and last updated on 2026-06-17.

References

https://www.zoom.com/en/trust/security-bulletin/ZSB-25031

Affected products (13)

cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:linux:*:*
cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:macos:*:*
cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:windows:*:*
cpe:2.3:a:zoom:rooms:*:*:*:*:*:iphone_os:*:*
cpe:2.3:a:zoom:rooms:*:*:*:*:*:macos:*:*
cpe:2.3:a:zoom:rooms:*:*:*:*:*:windows:*:*
cpe:2.3:a:zoom:rooms_controller:*:*:*:*:*:linux:*:*
cpe:2.3:a:zoom:rooms_controller:*:*:*:*:*:macos:*:*
cpe:2.3:a:zoom:rooms_controller:*:*:*:*:*:windows:*:*
cpe:2.3:a:zoom:workplace_desktop:*:*:*:*:*:linux:*:*
cpe:2.3:a:zoom:workplace_desktop:*:*:*:*:*:macos:*:*
cpe:2.3:a:zoom:workplace_desktop:*:*:*:*:*:windows:*:*
cpe:2.3:a:zoom:workplace_virtual_desktop_infrastructure:*:*:*:*:*:windows:*:*

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