Vulnerability · CVE-2026-102764
The vulnerability exists within internal components of BeyondTrust’s Remote Support product.
Published Oct 15, 2026 · catalog updated Oct 17, 2026 · BeyondTrust Remote Support
Patch now
CVE-2026-102764 is in the CISA known-exploited catalog, due Oct 19, 2026. Confirm BeyondTrust Remote Support against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Gaps on this record
- No version range is stored. A customer cannot check an installed version against this record.
- Severity
- Critical9.3
- Known exploitation
- CISA KEV and VulnCheck KEV
- EPSS
- 1.18%
- Remediation
- Remediation guidance
- Affected products
- vendor BeyondTrust · vendor BeyondTrust Remote Support
BeyondTrust heeft een kritieke kwetsbaarheid verholpen in BeyondTrust Remote Support. De kwetsbaarheid met kenmerk CVE-2026-102764 heeft een CVSS-score van 9.3 en betreft onvoldoende validatie van de herkomst van berichten binnen de interne componenten van het product. Hierdoor kan een niet-geauthenticeerde kwaadwillende de kwetsbaarheid op afstand misbruiken om bestanden op een getroffen appliance te plaatsen of te wijzigen. Alle Remote Support-versies tot en met 26.2.3 zijn getroffen. BeyondTrust bevestigt dat CVE-2026-102764 als zeroday-kwetsbaarheid is misbruikt.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor BeyondTrustversion unspecified
- vendor BeyondTrust Remote Supportversion unspecified
How to fix CVE-2026-102764
Recommended remediation
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. CISA due date Oct 19, 2026.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2026-102764 is in the CISA known-exploited catalog, due Oct 19, 2026. Confirm BeyondTrust Remote Support against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Which versions are affected?
Affected version ranges are not on this record. 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.
What should an analyst verify?
CWE-290: Authentication Bypass by Spoofing. EPSS 1.18%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 15, 2026 · NIST NVD
Detected
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.
Oct 16, 2026 · CISA KEV
Known exploited
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
Oct 16, 2026 · CISA KEV
Updated
BeyondTrust Remote Support contains an authentication bypass by spoofing vulnerability that could allow a remote attacker to perform file operations on the appliance.
Oct 16, 2026 · EUVD
Updated
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.
Oct 17, 2026 · EUVD
Updated
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.
Oct 19, 2026 · CISA KEV
Remediation due
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
Sources
- Canadian Centre for Cyber SecurityGovernment advisoryCVE-2026-102764
Serial number: AV26-1054 Date: October 16, 2026 As of October 15, 2026, BeyondTrust is affected by a vulnerability in the following product: Remote Support Prior to or equal to 26.2.3 Open-source reporting indicates that CVE-2026-102764 is being exploited in the wild. The Cyber C
cyber.gc.ca - CISA Cybersecurity AdvisoriesGovernment advisoryCVE-2026-102764
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 fir
cisa.gov - CISA KEVConfirmed exploitationCVE-2026-102764
BeyondTrust Remote Support contains an authentication bypass by spoofing vulnerability that could allow a remote attacker to perform file operations on the appliance.
cisa.gov - CVE.orgVulnerability recordCVE-2026-102764
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-102764
30-day exploitation probability 1.2%
first.org - EUVDVulnerability recordEUVD-2026-102427
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.
euvd.enisa.europa.eu - Google Threat IntelligenceThreat researchCVE-2026-102764
Research mention from Google Threat Intelligence. Not confirmation of exploitation.
cloud.google.com - NCSC NetherlandsGovernment advisoryCVE-2026-102764
BeyondTrust heeft een kritieke kwetsbaarheid verholpen in BeyondTrust Remote Support. De kwetsbaarheid met kenmerk CVE-2026-102764 heeft een CVSS-score van 9.3 en betreft onvoldoende validatie van de herkomst van berichten binnen de interne componenten van het product. Hierdoor k
advisories.ncsc.nl - NIST NVDVulnerability recordCVE-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.
nvd.nist.gov - VulnCheck KEVConfirmed exploitationCVE-2026-102764
BeyondTrust Remote Support contains an authentication bypass by spoofing vulnerability that could allow a remote attacker to perform file operations on the appliance.
vulncheck.com
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.