CVE-2026-53420
Quick assessment
Affected
Zoom Communications Zoom Workplace
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Zoom Workplace 客户端中 Zoom Phone 功能存在缓冲区溢出漏洞，攻击者可能通过未授权的网络访问实现权限提升。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Zoom Communications | Zoom Workplace | < 7.2.0 |
affected |
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I. Basic Information for CVE-2026-53420
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Zoom Communications | Zoom Workplace | 0 ~ 7.2.0 | - |
|
II. Public POCs for CVE-2026-53420
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Other References for CVE-2026-53420 (1)
Same Patch Batch · Zoom Communications · 2026-10-13 · 4 CVEs total
| CVE-2026-53418 | 8.1 HIGH | Zoom Workplace Android <7.2.1 自定义URL处理程序授权缺陷 |
| CVE-2026-108185 | 7.4 HIGH | Zoom客户端信息泄露漏洞 |
| CVE-2026-108184 | 7.4 HIGH | Zoom客户端Windows版证书验证缺陷致信息泄露 |
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V. Comments for CVE-2026-53420
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