Vulnerability details
CVE-2026-7866
RTI Connext Professional
Stack-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Buffers.
CVSS 4.0
10.0Critical
Official description
Stack-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.0.0 before 7.3.1.6, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 4.3x before 5.1.*.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 10.0Critical | 4.0 | CVEProject cvelistV5 (CNA) (RTI) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| RTI | Connext Professional | 4.3x ≤ v < 5.1.* | CVEProject cvelistV5 (CNA) |
| RTI | Connext Professional | 5.2.0 ≤ v < 5.2.* | CVEProject cvelistV5 (CNA) |
| RTI | Connext Professional | 5.3.0 ≤ v < 5.3.* | CVEProject cvelistV5 (CNA) |
| RTI | Connext Professional | 6.0.0 ≤ v < 6.0.* | CVEProject cvelistV5 (CNA) |
| RTI | Connext Professional | 6.1.0 ≤ v < 6.1.* | CVEProject cvelistV5 (CNA) |
| RTI | Connext Professional | 7.0.0 ≤ v < 7.3.1.6 | CVEProject cvelistV5 (CNA) |
| RTI | Connext Professional | 7.4.0 ≤ v < 7.7.0.1 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-09-22
- Last updated
- 2026-09-23
- State
- Published
- Assigner (CNA)
- RTI
Exploit prediction (EPSS)
0.31%
Probability of exploitation in 30 days
24%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-121Stack-based Buffer Overflow