CVE-2026-102764

Published Oct 15, 2026

Last updated 3 hours ago

Overview

Description
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.
Source
13061848-ea10-403d-bd75-c83a022c2891
NVD status
Analyzed
Products
remote_support

Risk scores

CVSS 4.0

Type
Secondary
Base score
9.3
Impact score
-
Exploitability score
-
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Severity
CRITICAL

CVSS 3.1

Type
Primary
Base score
9.8
Impact score
5.9
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity
CRITICAL

Known exploits

Data from CISA

Vulnerability name
BeyondTrust Remote Support Authentication Bypass by Spoofing Vulnerability
Exploit added on
Oct 16, 2026
Exploit action due
Oct 19, 2026
Required action
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.

Weaknesses

13061848-ea10-403d-bd75-c83a022c2891
CWE-290

Social media

Hype score
Not currently trending
  1. 【CISA KEV速報】2026-10-16付けで2件追加 ・CVE-2025-61624 Fortinet Multiple Products ・CVE-2026-102764 BeyondTrust Remote Support いずれも悪用確認済み。概要と対応期限はこちら https://t.co/zSuvR5oZrG

    @sec_news_com

    16 Oct 2026

    20 Impressions

    0 Retweets

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  2. 🚨 UPDATE: CISA ADDS BEYONDTRUST CVE-2026-102764 AND FORTINET CVE-2025-61624 TO KEV, DUE OCT 19 CISA added two exploited edge-device flaws to its Known Exploited Vulnerabilities catalog on Oct 16, 2026, both with a short federal remediation due date of Oct 19 and both flagged

    @DailyDarkWeb

    16 Oct 2026

    2711 Impressions

    1 Retweet

    5 Likes

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    2 Replies

    0 Quotes

  3. 🔴 Actively exploited: Attackers exploit a critical BeyondTrust Remote Support flaw that allows file manipulation on the appliance CVE-2026-102764 A critical vulnerability in BeyondTrust Remote Support, CVE-2026-102764 (CVSS… #CVE #BeyondTrust #infosec https://t.co/aMTkdcVG

    @Orbitaley

    16 Oct 2026

    0 Impressions

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  4. 🚽NEWS 1. BeyondTrust Zero-Day explorado por grupo chinês (Armory Castle) China-linked hackers (Armory Castle/UNC5221) exploraram zero-day no BeyondTrust Remote Support (CVE-2026-102764) desde agosto. Permite operações de arquivo em appliances e deploy de malware (SAWFLY +

    @Gnucypher

    16 Oct 2026

    70 Impressions

    0 Retweets

    1 Like

    0 Bookmarks

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  5. 🛡️ CYBER BULLETIN | 2026/10/16 🚨 Four stories worth your coffee this Friday. 1) BeyondTrust patched CVE-2026-102764 (CVSS 9.3) in Remote Support, and Mandiant says a China-linked group called Armory Castle (formerly UNC5221) used it as a zero-day back in late August. No

    @FrontieraTechIT

    16 Oct 2026

    16 Impressions

    0 Retweets

    0 Likes

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  6. Unpatched vulnerabilities don't stay hidden on our atlas. #CVE CRITICAL VULNERABILITY DETECTED CVE ID: CVE-2026-102764 Vendor: Unknown Severity: Critical — CVSS 9.3 Product: Unknown Date: 2026-10-15 A critical vulnerability (Authentication Bypass by Spoofing) has been

    @ThreatAtlas

    15 Oct 2026

    78 Impressions

    0 Retweets

    0 Likes

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    0 Replies

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Configurations