What is CVE-2026-41030?

CVE-2026-41030 is a medium-severity vulnerability in Ascensio Onlyoffice Desktopeditors, classified under Incorrect Resource Transfer Between Spheres. CVSS score: 6.2/10. Published 2026-04-16.

How severe is CVE-2026-41030?

Medium severity. CVSS v3 base score is 6.2 out of 10.

Vulnerability in Ascensio Onlyoffice Desktopeditors

CVE-2026-41030

In ONLYOFFICE DesktopEditors before 9.3.0, the update service allows attackers to perform actions on files with SYSTEM privileges.

EPSS: 0.000 (0.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Ascensio Onlyoffice Desktopeditors — versions 0

Weakness classification (CWE)

CWE-669 — Incorrect Resource Transfer Between Spheres

References

github.com/ONLYOFFICE/DesktopEditors/blob/master/CHANGELOG.md

Frequently asked questions

What is CVE-2026-41030?: CVE-2026-41030 is a medium-severity vulnerability in Ascensio Onlyoffice Desktopeditors, classified under Incorrect Resource Transfer Between Spheres. CVSS score: 6.2/10. Published 2026-04-16.
How severe is CVE-2026-41030?: Medium severity. CVSS v3 base score is 6.2 out of 10.