How severe is CVE-2025-64740?

CVE-2025-64740 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-64740 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-64740?

CVE-2025-64740 affects Zoom Workplace Virtual Desktop Infrastructure. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-64740?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-64740 have an EU (EUVD) identifier?

Yes. CVE-2025-64740 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-175323.

When was CVE-2025-64740 published?

CVE-2025-64740 was published on 2025-11-13 and last updated on 2026-06-17.

CVE-2025-64740

CVE-2025-64740 is a high-severity vulnerability in Zoom Workplace Virtual Desktop Infrastructure with a CVSS 3.x base score of 7.5. 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-347.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-175323
Weakness: CWE-347
Affected product: Zoom Workplace Virtual Desktop Infrastructure
Published: 2025-11-13
Last modified: 2026-06-17

Description

Improper verification of cryptographic signature in the installer for Zoom Workplace VDI Client for Windows may allow an authenticated user to conduct an escalation of privilege via local access.

Frequently asked questions

What is CVE-2025-64740?: Improper verification of cryptographic signature in the installer for Zoom Workplace VDI Client for Windows may allow an authenticated user to conduct an escalation of privilege via local access.
How severe is CVE-2025-64740?: CVE-2025-64740 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-64740 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-64740?: CVE-2025-64740 affects Zoom Workplace Virtual Desktop Infrastructure. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-64740?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-64740 have an EU (EUVD) identifier?: Yes. CVE-2025-64740 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-175323.
When was CVE-2025-64740 published?: CVE-2025-64740 was published on 2025-11-13 and last updated on 2026-06-17.

References

https://www.zoom.com/en/trust/security-bulletin/ZSB-25042

Affected products (1)

cpe:2.3:a:zoom:workplace_virtual_desktop_infrastructure:*:*:*:*:*:windows:*:*

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