CVSS 4.0
4.6 mediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:NCVE-2026-56440 Improper Input Validation
Medium (4.6). EPSS 0.1% estimated probability of exploitation activity in the next 30 days.
Improper input validation for some BigDL before version 2.5.0b1 within Ring 3: User Applications may allow an escalation of privilege. Unprivileged software adversary with an unauthenticated user combined with a low complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires active user interaction. The potential vulnerability may impact the confidentiality (low), integrity (low) and availability (low) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (none) impacts.
Severity
- EPSS
- 0.1% estimated probability of exploitation activity in the next 30 days; 3rd percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
- CWE
- CWE-20 Improper Input Validation
- OWASP Top 10
- A05:2025 Injection
- Published
- Modified
- Assigned by
- intel (CNA)
- NVD analysis
- Awaiting analysis
- Record from
- the NVD, synced
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Attack patterns (CAPEC)
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits. More on the page of CWE-20 (51).