Is CVE-2025-27443 in the CISA KEV catalog?

No. CVE-2025-27443 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-27443?

CVE-2025-27443 has a CVSS v3 base score of 2.8 (LOW).

What is the EPSS score for CVE-2025-27443?

CVE-2025-27443 has an EPSS score of 0.14% (4th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-27443?

Upgrade meeting software development kit to 6.3.10 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2025-27443

LOW

2.8

CVSS v3

NVD

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.

CWE-1188

How to fix

Remediation Available

meeting software development kitNVD

Affected:< 6.3.10Fixed in:6.3.10CVE-2025-27443derived from NVD

roomsNVD

Affected:< 6.4.0Fixed in:6.4.0CVE-2025-27443derived from NVD

rooms controllerNVD

Affected:< 6.4.0Fixed in:6.4.0CVE-2025-27443derived from NVD

workplace desktopNVD

Affected:< 6.3.10Fixed in:6.3.10CVE-2025-27443derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

Exploit Intelligence

0.14%probability of exploitation in 30 days

4thpercentile

Low risk: more likely to be exploited than 4% of all known CVEs.

References

Vendor Advisory1

zoom.com

Related Vulnerabilities

Other CWE-1188 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-13927	Critical	9.8	100%	KEV	Fix
CVE-2023-27524	High	8.9	97%	KEV	-
CVE-2022-24706	Critical	9.8	92%	KEV	Fix
CVE-2020-11532	Critical	9.8	77%	-	Fix
CVE-2018-16752	High	8.8	43%	-	-
CVE-2020-14011	Critical	9.8	29%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-08-01.