How severe is CVE-2025-49459?

CVE-2025-49459 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-49459 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-49459?

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-2025-49459 have an EU (EUVD) identifier?

Yes. CVE-2025-49459 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27627.

When was CVE-2025-49459 published?

CVE-2025-49459 was published on 2025-09-09 and last updated on 2026-06-17.

CVE-2025-49459

CVE-2025-49459 is a high-severity vulnerability with a CVSS 3.x base score of 7.8. 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-862.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-27627
Weakness: CWE-862
Published: 2025-09-09
Last modified: 2026-06-17

Description

Missing authorization in the installer for Zoom Workplace for Windows on ARM before version 6.5.0 may allow an authenticated user to conduct an escalation of privilege via local access.

Frequently asked questions

What is CVE-2025-49459?: Missing authorization in the installer for Zoom Workplace for Windows on ARM before version 6.5.0 may allow an authenticated user to conduct an escalation of privilege via local access.
How severe is CVE-2025-49459?: CVE-2025-49459 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-49459 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-49459?: 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-2025-49459 have an EU (EUVD) identifier?: Yes. CVE-2025-49459 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27627.
When was CVE-2025-49459 published?: CVE-2025-49459 was published on 2025-09-09 and last updated on 2026-06-17.

References

https://www.zoom.com/en/trust/security-bulletin/ZSB-25032

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