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TI-2026-29670 Aliases CVE-2026-41030GHSA-q42f-8h4q-g7mm

In ONLYOFFICE DesktopEditors before 9.3.0, the update service allows attackers to perform…

Priority LOW 27CWE-669Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00163 5th percentileScored 2026-11-07
Fix Fixed ONLYOFFICE DesktopEditors (Ascensio): 9.3.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AscensioONLYOFFICE DesktopEditorsbefore 9.3.09.3.0Patch availableCNA
  • ONLYOFFICE DesktopEditors VendorAscensio Affected before 9.3.0 Fixed in 9.3.0 Patch available CNA

Remediation

  • Fix · CNA ONLYOFFICE DesktopEditors (Ascensio) Fixed in 9.3.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-41030
  2. 2026-10-03 Alias added: GHSA-q42f-8h4q-g7mm

References

Other 1

  • TI-2026-29673 Out-of-bounds read in Ascensio ONLYOFFICE DocumentServer CVSS 3.1MEDIUM 5.0

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences