How severe is CVE-2025-27443?

CVE-2025-27443 has a CVSS 3.x base score of 2.8, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-27443 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.

What products are affected by CVE-2025-27443?

CVE-2025-27443 primarily affects Zoom Meeting Software Development Kit. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-27443?

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

Does CVE-2025-27443 have an EU (EUVD) identifier?

Yes. CVE-2025-27443 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10251.

When was CVE-2025-27443 published?

CVE-2025-27443 was published on 2025-04-08 and last updated on 2026-06-17.

CVE-2025-27443

CVE-2025-27443 is a low-severity vulnerability in Zoom Meeting Software Development Kit with a CVSS 3.x base score of 2.8. 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-1188.

Key facts

Severity: Low (CVSS 3.x base score 2.8)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10251
Weakness: CWE-1188
Affected product: Zoom Meeting Software Development Kit
Published: 2025-04-08
Last modified: 2026-06-17

Description

Insecure default variable initialization in some Zoom Workplace Apps for Windows may allow an authenticated user to conduct a loss of integrity via local access.

Frequently asked questions

What is CVE-2025-27443?: Insecure default variable initialization in some Zoom Workplace Apps for Windows may allow an authenticated user to conduct a loss of integrity via local access.
How severe is CVE-2025-27443?: CVE-2025-27443 has a CVSS 3.x base score of 2.8, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-27443 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.
What products are affected by CVE-2025-27443?: CVE-2025-27443 primarily affects Zoom Meeting Software Development Kit. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-27443?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-27443 have an EU (EUVD) identifier?: Yes. CVE-2025-27443 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10251.
When was CVE-2025-27443 published?: CVE-2025-27443 was published on 2025-04-08 and last updated on 2026-06-17.

References

https://www.zoom.com/en/trust/security-bulletin/zsb-25014

Affected products (4)

cpe:2.3:a:zoom:meeting_software_development_kit:*:*:*:*:*:windows:*:*
cpe:2.3:a:zoom:rooms:*:*:*:*:*:windows:*:*
cpe:2.3:a:zoom:rooms_controller:*:*:*:*:*:windows:*:*
cpe:2.3:a:zoom:workplace_desktop:*:*:*:*:*:windows:*:*

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