CVE-2026-41034

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CVSS 3.1

5.0 medium

EPSS

<1%p22

Published

Apr 16, 2026 (Apr 16, 2026)

Modified

Jun 17, 2026

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.

Weakness: CWE-125
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.3%)

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