CVE-2026-41034
low-risk
Published 2026-04-16
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.
Do I need to act?
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0.01% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.0/10
Medium
NETWORK
/ LOW complexity
25
/ 100
low-risk
Severity
20/34 · Moderate
Exploitability
0/34 · Minimal
Exposure
5/34 · Minimal