MSRXCVE-2026-102764
CVE-2026-102764
BeyondTrust Remote Support Authentication Bypass by Spoofing Vulnerability
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.
CVSS 4.0 · CNA
chance of exploitation in the next 30 days (EPSS; higher than 97% of CVEs)
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.
Scores
Affected products
- beyondtrust remote support: ≤ 26.2.3
Weakness: CWE-290
4 references (advisories, patches, write-ups)
- https://beyondtrustcorp.service-now.com/csm?id=csm_kb_article&sysparm_article=KB0024066 · Permissions Required
- https://nvd.nist.gov/vuln/detail/CVE-2026-102764 · US Government Resource
- https://www.beyondtrust.com/blog/entry/bt26-05 · Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-102764 · US Government Resource
Sources: NVD, CVE.org, FIRST EPSS. Missing ones did not answer or have no record yet.