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Every CyberSIXT summary, newest first, with a link to its story and to the original report.

Most articles on Wed 21 Oct (96); 9–13 on weekend days.

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Articles published per day
DayArticles published
Sun 11 Oct9
Mon 12 Oct56
Tue 13 Oct85
Wed 14 Oct86
Thu 15 Oct78
Fri 16 Oct61
Sat 17 Oct10
Sun 18 Oct10
Mon 19 Oct60
Tue 20 Oct86
Wed 21 Oct96
Thu 22 Oct84
Fri 23 Oct68
Sat 24 Oct13
Today, Sun 25 Oct9 so far
Exploited only
12 articles · 15–19 Oct

Mon 19 Oct· 3 articles

  1. BeyondTrust Remote Support flaw exploited before disclosure enabled file access

    CVE-2026-102764 is a critical authentication bypass in BeyondTrust Remote Support (RS) that was exploited in the wild before a full disclosure. The flaw allows unauthenticated remote attackers to perform file operations on an affected RS appliance without…

    Rapid7CVE-2026-102764CVE-2026-102764Exploited
  2. Attackers Exploited BeyondTrust Zero Day as Crypto Wallets Were Backdoored

    The Hacker News’s weekly recap highlights a week thick with high-stakes cyber incidents and disclosures across software, hardware and AI-enabled systems. Notably, BeyondTrust Remote Support was exploited as a zero-day in late August 2026 (CVE-2026-102764),…

    The Hacker NewsCVE-2026-102764CVE-2026-102764Exploited
  3. Actively Exploited Flaws Hit Cisco, BeyondTrust and WordPress Plugin

    Between 12 and 18 October 2026, CVE Watchtower logged 5,499 new vulnerabilities, with this weekly review tracking 12 exploited flaws. Six of those were flagged by Daily Cybersecurity’s intelligence sources, and three of the exploited flaws are not yet…

    SecurityOnlineCVE-2026-102764CVE-2026-102764Exploited

Sat 17 Oct· 1 article

  1. CISA Flags Fortinet and BeyondTrust Flaws Under Active Attack

    The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog: Fortinet Multiple Products Path Traversal (CVE-2025-61624) and BeyondTrust Remote Support Authentication…

    Security AffairsCVE-2025-61624CVE-2025-61624Exploited

Fri 16 Oct· 7 articles

  1. China-linked hackers exploited BeyondTrust zero-day to steal credentials

    Ivanti, Cisco, and Palo Alto Networks all had vulnerabilities in edge devices come under fire this week. Now BeyondTrust joins the group.

    Dark ReadingCVE-2026-102764CVE-2026-102764Exploited
  2. CISA Warns of Exploited BeyondTrust Remote Support Auth Bypass

    CISA added CVE-2026-102764 to its Known Exploited Vulnerabilities (KEV) catalogue on 16 October 2026. The flaw affects BeyondTrust Remote Support and is an authentication bypass by spoofing that could let a remote attacker perform file operations on the…

    CISACVE-2026-102764CVE-2026-102764Exploited
  3. BeyondTrust Patches Zero-Day Flaw Used to Gain Root Access

    BeyondTrust disclosed CVE-2026-102764, a critical improper origin validation vulnerability (CWE-290) in its internal Remote Support messaging component. The flaw allowed remote attackers to trigger file operations without authentication or user interaction…

    SOCRadarCVE-2026-102764CVE-2026-102764Exploited
  4. Chinese APT exploited BeyondTrust Remote Support flaw to steal files

    A Chinese state‑sponsored APT, Armory Castle (UNC5221/Warp Panda), has been exploiting a BeyondTrust Remote Support vulnerability as a zero‑day since August 2026. The flaw, CVE-2026-102764, allows improper validation of message origins and could enable a…

    SecurityWeekCVE-2026-102764CVE-2026-102764Exploited
  5. China-Linked Hackers Exploited BeyondTrust Flaw to Install Root Backdoor

    A suspected China state-backed actor, Armory Castle, exploited a newly disclosed critical vulnerability in BeyondTrust Remote Support, CVE-2026-102764, to gain access and escalate privileges on affected appliances. Google warns this allowed the group to…

    InfosecurityCVE-2026-102764CVE-2026-102764Exploited
  6. BeyondTrust Patches Remote Access Flaw Exploited to Steal Credentials

    BeyondTrust disclosed a critical remote-access vulnerability in its BeyondTrust Remote Support product, tracked as CVE-2026-102764, with a CVSS of 9.3. The flaw allows unauthenticated remote attackers to bypass origin validation in internal messaging…

    SecurityOnlineCVE-2026-102764CVE-2026-102764Exploited
  7. China Linked Hackers Exploited BeyondTrust Zero Day to Steal Credentials

    China-linked threat group Armory Castle, also known as UNC5221 or Warp Panda, exploited a zero-day in BeyondTrust Remote Support (formerly Bomgar) to compromise a self-hosted appliance in late August 2026. The flaw, tracked as CVE-2026-102764, is rated 9.3…

    The Hacker NewsCVE-2026-102764CVE-2026-102764Exploited

Thu 15 Oct· 1 article

  1. China Linked ARMORY CASTLE Exploited BeyondTrust Flaw as a Zero Day

    Google Threat Intelligence Group (GTIG) and Mandiant say the suspected China-linked espionage group ARMORY CASTLE, formerly tracked as UNC5221, exploited BeyondTrust Remote Support vulnerability CVE-2026-102764 as a zero-day in late August 2026. BeyondTrust…

    Google CloudCVE-2026-102764CVE-2026-102764Exploited

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