Medium severity5.0NVD Advisory· Published Apr 16, 2026· Updated Apr 17, 2026

CVE-2026-41034

Description

ONLYOFFICE DocumentServer before 9.3.0 has an untrusted pointer dereference in XLS processing/conversion (via pictFmla.cbBufInCtlStm and other vectors), leading to an information leak and ASLR bypass.

Affected products

ONLYOFFICE/Documentserverreferences

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.mdnvd

News mentions

No linked articles in our index yet.

cvss	0.325
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000