CISA Urges Patching Critical Vulnerability in BeyondTrust Remote Support
Updated under an hour ago ()
CISA is aware of critical authentication bypass vulnerability CVE-2026-102764, affecting BeyondTrust Remote Support (formerly Bomgar) versions 26.2.3 and earlier. Patches are available for supported versions (24.3.1 and later); organizations using older versions must upgrade first. Cyber threat actors are actively exploiting the vulnerability to gain initial access, then establishing persistence, escalating privileges, and moving laterally. CISA added CVE-2026-102764 to its Known Exploited Vulnerabilities (KEV) catalog on Oct. 16, 2026. CISA urges organizations with affected self-hosted Remote Support appliances to immediately take the following actions: Apply the BT26-05-RS patch, as outlined in BeyondTrust’s Security Advisory BT26-05. Organizations on a self-hosted Remote Support version older than 24.3.1 will need to upgrade to a newer version to apply the patch. Organizations using BeyondTrust-hosted (SaaS) Remote Support deployments have already been patched. Review BeyondTrust’s blog ARMORY CASTLE and BT26-05: What Security Teams Need to Know for detailed information on the vulnerability and recommended response and mitigation actions. Limit external access to the Remote Sup…
- Tags
- CISA, KEV
- Related exam domains
- CISSP 7: Security Operations; CISSP 8: Software Development Security; CISM 2: Information Security Risk Management; CISM 4: Incident Management; CISA 4: Information Systems Operations and Business Resilience
- Source record id
- /node/25643
- First seen by InfoSec Signals
- 10/17/2026
Source: CISA cybersecurity advisories, Cybersecurity and Infrastructure Security Agency about this source more from it
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