CVE-2025-27440

HIGHNVD 8.58.5—Trending — 3 sources updated this week

8.5

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

CVSS v3: 8.5
EG Score: 8.5(medium)
EPSS: 65.4%
KEV: Not listed

Published

March 11, 2025

Last Modified

October 22, 2025

References (1)

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

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-124Buffer Underwrite

Data Freshness Timeline

(refreshed 7× in last 7d / 7× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-30 09:42 UTCEG score recompute
2026-05-30 09:42 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-27440?

CVE-2025-27440 is a high vulnerability published on March 11, 2025. Heap overflow in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via network access.

When was CVE-2025-27440 disclosed?

CVE-2025-27440 was first published in the National Vulnerability Database on March 11, 2025, with the most recent update on October 22, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-27440 actively exploited?

CVE-2025-27440 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 65.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-27440?

CVE-2025-27440 has a CVSS v3 base score of 8.5 (NVD).

How do I remediate CVE-2025-27440?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-27440, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-27440

📅 Published

🔄 Last Modified

🔗 References (1)