CVE-2025-27439— Zoom Apps - Buffer Underflow
Quick assessment
Affected
Zoom Communications, Inc Zoom Workplace Apps
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是美国Zoom公司的一个桌面应用软件。 Zoom Workplace存在安全漏洞，该漏洞源于缓冲区下溢，可能导致通过网络访问进行权限提升。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2025-27439
Vulnerability Information
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Vulnerability Title
Zoom Apps - Buffer Underflow
Source: CVE Program / CVE List V5
Vulnerability Description
Buffer underflow in some Zoom Workplace Apps may allow an authenticated user to conduct an escalation of privilege via network access.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
缓冲区下溢
Source: CVE Program / CVE List V5
Vulnerability Title
Zoom Workplace 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zoom Workplace是美国Zoom公司的一个桌面应用软件。 Zoom Workplace存在安全漏洞，该漏洞源于缓冲区下溢，可能导致通过网络访问进行权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Zoom Communications, Inc | Zoom Workplace Apps | See references. | - |
|
II. Public POCs for CVE-2025-27439
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-27439 (1)
Same Patch Batch · Zoom Communications, Inc · 2025-03-11 · 5 CVEs total
| CVE-2025-27440 | 8.5 HIGH | Zoom Apps - Heap-based Buffer Overflow |
| CVE-2025-0151 | 8.5 HIGH | Zoom Apps - Use After Free |
| CVE-2025-0150 | 7.1 HIGH | Zoom Workplace Apps for iOS - Incorrect Behavior Order |
| CVE-2025-0149 | 6.5 MEDIUM | Zoom Apps - Insufficient Verification of Data Authenticity |
IV. Related Vulnerabilities
Same product: Zoom Workplace Apps
-
CVE-2025-46786
Zoom Workplace Apps - Cross-site Scripting -
CVE-2025-46785
Zoom Workplace Apps for Windows - Buffer Over-read -
CVE-2025-30668
Zoom Workplace Apps - NULL Pointer Dereference -
CVE-2025-30667
Zoom Workplace Apps - NULL Pointer Dereference -
CVE-2025-30664
Zoom Workplace Apps - Cross-site Scripting
Same vendor: Zoom Communications, Inc
-
CVE-2025-58131
Zoom Workplace VDI Plugin macOS Universal installer for VMwa -
CVE-2025-58135
Zoom Workplace Clients for Windows - Improper Action Enforce -
CVE-2025-58134
Zoom Workplace Clients for Windows - Incorrect Authorization -
CVE-2025-49461
Zoom Workplace Clients - Cross-site Scripting -
CVE-2025-49460
Zoom Workplace Clients - Argument Injection
Same weakness: CWE-124
-
CVE-2026-40013
Open-Xchange Dovecot Pro 缓冲区错误漏洞 -
CVE-2026-73075
Vim: Out-of-bounds Access in Popup Opacity Handling -
CVE-2026-16439
Eclipse OpenJ9 : Using -Xtrace to trace method arguments can -
CVE-2026-26199
Buffer underflow in `H5Iget_name `/`H5G_get_name` if size is -
CVE-2026-44631
Apache HTTP Server: Heap Underflow in `ap_regname` via Signe
V. Comments for CVE-2025-27439
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