What is CVE-2025-27439?

CVE-2025-27439 is a high-severity vulnerability in Zoom Communications, Inc Workplace Apps, classified under Buffer Underwrite. CVSS score: 8.5/10. Published 2025-03-11.

How severe is CVE-2025-27439?

High severity. CVSS v3 base score is 8.5 out of 10.

Vulnerability in Zoom Communications, Inc Workplace Apps

CVE-2025-27439

Buffer underflow in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via network access.

EPSS: 0.004 (60.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Zoom Communications, Inc Workplace Apps — versions See references.

Weakness classification (CWE)

CWE-124 — Buffer Underwrite

References

www.zoom.com/en/trust/security-bulletin/zsb-25011/

Frequently asked questions

What is CVE-2025-27439?: CVE-2025-27439 is a high-severity vulnerability in Zoom Communications, Inc Workplace Apps, classified under Buffer Underwrite. CVSS score: 8.5/10. Published 2025-03-11.
How severe is CVE-2025-27439?: High severity. CVSS v3 base score is 8.5 out of 10.