CVE-2026-102764: BeyondTrust Remote Support (Critical, CVSS 9.3)
- CVSS
- 9.3 Critical (v4.0)
- EPSS
- 1.2% chance of exploitation in the next 30 days (higher than 67.4% of CVEs)
- Exploited in the wild
- Yes, on CISA’s KEV list since Oct 16, 2026
- Public exploit
- Yes, reported in 2 GitHub repositories
- Weakness
- CWE-290
- 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- Published
- Oct 15, 2026
- CISA fix-by date
- Oct 19, 2026 (for US federal agencies)
What it is
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.
Description from the National Vulnerability Database.
What to do
CISA: 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
Check whether you run BeyondTrust Remote Support, then apply the vendor’s fix or mitigation from the advisories below. Because this flaw is exploited or has public exploit code, treat it as urgent and check for signs of compromise, not just the patch level.
Advisories and fixes
ThreatRoundup coverage
China-Linked Spies Turned BeyondTrust Help Desks Into Skeleton Keys
Sources: NVD, FIRST EPSS, CISA KEV, and public exploit databases (availability only). ThreatRoundup reports whether public exploit code exists but never links to it: fake proof-of-concepts that infect security researchers are common. This page updates automatically.