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High 8.0Published Oct 13, 2026
CVE-2026-53420Buffer overflow in a Zoom Phone feature of Zoom Workplace Clients may allow an unauthenticated user to conduct a escalation of privilege via network access.
Updated under an hour ago ()
Does this affect you?
It affects Zoom Communications Zoom Workplace. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.25%, higher than 16% of scored CVEs.
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Buffer overflow in a Zoom Phone feature of Zoom Workplace Clients may allow an unauthenticated user to conduct a escalation of privilege via network access.
- CVSS
- 8.0 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
- Weakness (CWE)
- CWE-120
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.25% (percentile 16)
- Assigned by
- Zoom
- NVD analysis
- Awaiting Analysis
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 13, 2026
Affected products
Zoom Communications Zoom Workplace zoom_communications:zoom_workplace (from the name) | before 7.2.0 | CNA record |
References
- https://www.zoom.com/en/trust/security-bulletin/zsb-26020
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.