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CVE-2026-53413— Zoom Clients - Buffer Over-write

Quick assessment

Affected
Zoom Communications Zoom Clients
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 Communications Zoom Clients是Zoom Communications公司的一款视频会议客户端软件。 Zoom Communications Zoom Clients存在缓冲区错误漏洞，该漏洞源于annotator函数缺少边界检查，可能导致缓冲区覆盖，使会议参与者能够通过网络访问实现对另一参与者的远程代码执行。

CVSS 8.3 · High EPSS 0.49% · P40

Affected Version Matrix 1

VendorProduct Version RangeStatus
Zoom Communications Zoom Clients see references affected
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I. Basic Information for CVE-2026-53413

Vulnerability Information
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Vulnerability Title
Zoom Clients - Buffer Over-write
Source: CVE Program / CVE List V5
Vulnerability Description
Missing bounds check in the annotator function of Zoom Clients allows buffer over-write, which may allow a meeting participant to achieve remote code execution of another participant via network access.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Zoom Communications Zoom Clients 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zoom Communications Zoom Clients是Zoom Communications公司的一款视频会议客户端软件。 Zoom Communications Zoom Clients存在缓冲区错误漏洞，该漏洞源于annotator函数缺少边界检查，可能导致缓冲区覆盖，使会议参与者能够通过网络访问实现对另一参与者的远程代码执行。
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 Zoom Clients see references -

II. Public POCs for CVE-2026-53413

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III. Intelligence Information for CVE-2026-53413

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Vendor Advisories for CVE-2026-53413 (1)

Same Patch Batch · Zoom Communications · 2026-08-11 · 4 CVEs total

CVE-2026-53415 8.3 HIGH Zoom Clients - Use After Free
CVE-2026-53416 7.1 HIGH Zoom VDI - Path Traversal
CVE-2026-53414 6.5 MEDIUM Zoom Clients - Buffer Over-read

IV. Related Vulnerabilities

Same product: Zoom Clients
Same vendor: Zoom Communications
Same weakness: CWE-787

V. Comments for CVE-2026-53413

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