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CVE-2026-41030

Quick assessment

Affected
Ascensio ONLYOFFICE DesktopEditors
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.

DesktopEditors是ONLYOFFICE开源的一个离线办公套件，支持文档、表格、演示文稿和PDF编辑。 DesktopEditors 9.3.0之前版本存在安全漏洞，该漏洞源于更新服务存在缺陷，可能导致攻击者以SYSTEM权限执行文件操作。

CVSS 6.2 · Medium EPSS 0.16% · P6

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2026-41030

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In ONLYOFFICE DesktopEditors before 9.3.0, the update service allows attackers to perform actions on files with SYSTEM privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在范围间的资源转移不正确
Source: CVE Program / CVE List V5
Vulnerability Title
DesktopEditors 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DesktopEditors是ONLYOFFICE开源的一个离线办公套件，支持文档、表格、演示文稿和PDF编辑。 DesktopEditors 9.3.0之前版本存在安全漏洞，该漏洞源于更新服务存在缺陷，可能导致攻击者以SYSTEM权限执行文件操作。
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
Ascensio ONLYOFFICE DesktopEditors 0 ~ 9.3.0 -

II. Public POCs for CVE-2026-41030

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III. Intelligence Information for CVE-2026-41030

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IV. Related Vulnerabilities

Same vendor: Ascensio
Same weakness: CWE-669

V. Comments for CVE-2026-41030

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