Onlyoffice Document Server v6.0.0 and below and Core 6.1.0.26 and below were discovered to contain a stack overflow via the component DesktopEditor/common/File.cpp.
Conclusion & alert: CVE-2022-29776 is rated High Exploit Risk (82.3/100): CVSS Critical severity, with high exploitation likelihood (EPSS 16.16%, 95th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-12-10 | 25.99% | 16.16% | -9.83% |
| 2 | 2025-11-25 | 25.06% | 25.99% | +0.94% |
| 3 | 2025-11-21 | — | 25.06% | — |
Full EPSS history (21 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| onlyoffice | core | <= 6.1.0.26 | cpe:2.3:a:onlyoffice:core:*:*:*:*:*:*:*:* |
| onlyoffice | document_server | <= 6.0.0 | cpe:2.3:a:onlyoffice:document_server:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/ONLYOFFICE/DocumentServer/blob/master/CHANGELOG.md#601 | Release Notes Third Party Advisory |
| https://github.com/ONLYOFFICE/core/commit/88cf60a3ed4a2b40d71a1c2ced72fa3902a30967 | Patch Third Party Advisory |
| https://github.com/moehw/poc_exploits/tree/master/CVE-2022-29776 | Exploit Third Party Advisory |