{"id":"CVE-2026-102764","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-102764","generatedAt":"2026-10-28T01:51:03.031Z","title":"BeyondTrust Remote Support Authentication Bypass by Spoofing Vulnerability","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.","published":"2026-10-15T21:17:00.000Z","lastModified":"2026-10-17T04:16:47.000Z","status":"Analyzed","sourceIdentifier":"13061848-ea10-403d-bd75-c83a022c2891","cvss":{"version":"4.0","score":9.3,"severity":"CRITICAL","vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-290"],"affected":["beyondtrust/remote support"],"epss":{"score":0.20341,"percentile":0.97462,"date":"2026-10-26","history":[{"date":"2026-10-16","score":0.00601,"percentile":0.47647},{"date":"2026-10-25","score":0.20341,"percentile":0.97462}]},"kev":{"listed":true,"dateAdded":"2026-10-16","dueDate":"2026-10-19","knownRansomwareCampaignUse":"Unknown","notes":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.\nhttps://www.beyondtrust.com/trust-center/security-advisories/bt26-05 ; ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-102764"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 19 October 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-10-25T00:00:00.000Z","detail":{"to":0.20341,"from":0.0118,"percentile":0.97462},"summary":"EPSS moved from 1.2% to 20.3% probability of exploitation in the next thirty days."},{"kind":"kev","label":"Added to KEV","at":"2026-10-16T00:00:00.000Z","detail":{"name":"BeyondTrust Remote Support Authentication Bypass by Spoofing Vulnerability","vendor":"BeyondTrust","dueDate":"2026-10-19","product":"Remote Support","ransomware":"Unknown"},"summary":"Added to CISA KEV — known to be exploited; federal remediation due 2026-10-19."},{"kind":"new","label":"New CVE","at":"2026-10-15T21:17:00.000Z","detail":{"score":"9.3","severity":"CRITICAL","publishedAt":"2026-10-15T21:17:00.117Z"},"summary":"New CVE, critical severity (CVSS 9.3), EPSS 20.3%."}],"references":[{"url":"https://beyondtrustcorp.service-now.com/csm?id=csm_kb_article&sysparm_article=KB0024066","tags":["Permissions Required"],"source":"13061848-ea10-403d-bd75-c83a022c2891"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102764","tags":["US Government Resource"],"source":"13061848-ea10-403d-bd75-c83a022c2891"},{"url":"https://www.beyondtrust.com/blog/entry/bt26-05","tags":["Vendor Advisory"],"source":"13061848-ea10-403d-bd75-c83a022c2891"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-102764","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-102764","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}