CISA Warns of Actively Exploited Critical Flaw in BeyondTrust Remote Support
In short: CISA has flagged CVE-2026-102764, a critical authentication bypass affecting self-hosted BeyondTrust Remote Support versions 26.2.3 and earlier. Threat actors are actively using it to gain initial access, establish persistence, escalate privileges, and move laterally inside networks. The flaw was added to CISA's Known Exploited Vulnerabilities catalog on October 16, 2026, and a patch (BT26-05-RS) is available for supported versions 24.3.1 and later.
This summary was generated automatically by AI from CISA Advisories's publication. It is our own text, not a copy of the original — facts, figures and quotes belong to the source, linked above and below.
What changed?
- 1CVE-2026-102764: critical authentication bypass in BeyondTrust Remote Support versions 26.2.3 and earlier
- 2Actively exploited in the wild for initial access, persistence, privilege escalation and lateral movement
- 3Added to CISA's Known Exploited Vulnerabilities (KEV) catalog on Oct. 16, 2026
- 4Patch BT26-05-RS available for self-hosted versions 24.3.1 and later; older versions must upgrade first
- 5BeyondTrust-hosted (SaaS) deployments are already patched
Why it matters
Remote support appliances are high-value targets because they provide privileged access into customer and internal networks; an unpatched instance can become a direct pivot point for attackers across an organization's infrastructure.
What it means for AI agents and contact centers
If your organization or any vendor uses a self-hosted BeyondTrust Remote Support appliance for IT or customer support access, patch immediately to BT26-05-RS, restrict administrative access to trusted networks, and check appliance logs for signs of compromise, since this tool can sit alongside VoIP, CRM and contact-center systems with privileged network access.
Sources
- CISA AdvisoriesOfficialPrimary sourceOriginal article →„CISA Urges Patching Critical Vulnerability in BeyondTrust Remote Support“16 Oct 2026, 15:00Licence: US federal government work (17 U.S.C. §105) · our summary (content changed)
- Published by source
- 16 Oct 2026, 15:00
- Found by our system
- 17 Oct 2026, 00:42
- Summary generated
- 17 Oct 2026, 00:42
This article was written by AI from the original source. Facts, numbers and prices come from the source; missing values are marked “Not specified”. Legal notice, copyright and privacy