CVE-2026-41034 — ONLYOFFICE DocumentServer before 9.3.0 has an untrusted
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CVE-2026-41034 — 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.
What This Means For You
- If your environment is affected by CWE-125, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-41034 updates and patches.
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-41034 | vulnerability | CVE-2026-41034 |
| CWE-125 | weakness | CWE-125 |
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 16, 2026 at 10:16 UTC |
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