CVE-2026-102764: BeyondTrust Remote Support

What is CVE-2026-102764?

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.

CVSS9.8 NVD 3.1

SeverityCRITICAL

Exploitation In the wild In CISA KEV

EPSS1% · P48

Triage statusActive Exploit

ActionPatch immediately

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWECWE-290

NVD published2026-10-15

NVD last modified2026-10-17

Timeline

2026-10-15Published to the U.S. National Vulnerability Database (NVD)
2026-10-16Added to the CISA Known Exploited Vulnerabilities (KEV) catalog
2026-10-17First covered in a defend.network daily briefing
2026-10-17NVD record last updated
2026-10-19CISA federal remediation deadline (BOD 22-01)

CISA Known Exploited Vulnerability

BeyondTrust Remote Support Authentication Bypass by Spoofing Vulnerability

Added to KEV2026-10-16

Federal patch deadline2026-10-19

Known ransomware useUnknown

Affected product

BeyondTrust Remote Support

Remediation Steps

Apply the vendor patch for BeyondTrust Remote Support version 24.3.1 or later
For organizations using versions older than 24.3.1, upgrade to a supported version immediately
Restrict network access to BeyondTrust Remote Support internal messaging components to trusted administrative networks
Monitor for signs of unauthorized authentication bypass or unusual internal messaging activity
Review access logs for suspicious activity dating back to late August 2026

References

Referenced in our briefings & reports

Vulnerability Priority Report – Week 2 of October 2026 (October 12 – 18)
BeyondTrust zero-day exploited by Chinese APT; Microsoft patches 1,400 flaws; AOMEI supply-chain compromised (2026-10-17)

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🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.