Vulnerability details
CVE-2026-102764
Actively exploited
BeyondTrust Remote Support
Improper Origin Validation in Internal Messaging Components of BeyondTrust Remote Support
CVSS 4.0
9.3Critical
Official description
The vulnerability exists within internal components of BeyondTrust’s Remote Support product. The components did not adequately validate the origin of the messages it received. Under the right conditions, this could allow an attacker to perform file operations on the appliance.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.3Critical | 4.0 | CVEProject cvelistV5 (CNA) (BT) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| BeyondTrust | Remote Support | v ≤ 26.2.3 | CVEProject cvelistV5 (CNA) |
References and advisories
4
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Details
- Published
- 2026-10-16
- Last updated
- 2026-10-17
- State
- Published
- Assigner (CNA)
- BT
- Kolun priority
- 79 · High
CISA KEV catalog
- Date added
- 2026-10-16
- Due date
- 2026-10-19
- Used in ransomware
- Unknown
Exploit prediction (EPSS)
77.99%
Probability of exploitation in 30 days
99.5%
Percentile (among all CVEs)
- 2026-11-0477.99%
- 2026-11-0318.95%
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Active
- Technical impact
- Total
Weaknesses (CWE)
- CWE-290Authentication bypass by spoofing