vulnerability · Mon 19 Oct 2026 · 17:01 UTC
Actively exploitedChinese APT targeted BeyondTrust vulnerability as 0-day since August for initial access in espionage campaigns
Filed UTCSource BYN ↗
A Chinese APT has been targeting a BeyondTrust vulnerability as a 0-day since August to gain initial access as part of its espionage campaigns. The vulnerability is CVE-2026-102764 (CVSS 9.3), related to improper verification of message origin, allowing attackers to perform file operations on Remote Support (RS) devices. According to BeyondTrust, the issue affects all versions.
Signals
as the pipeline stamped them- KEV
- Active exploitation (KEV)
- What to do
- On CISA KEV — actively exploited. Patch immediately.
CISA KEV means this flaw has been seen exploited in real attacks — not predicted, observed. Treat it as urgent regardless of its score.
CVE · 6
KEV from CISA · EPSS from FIRST| Id | KEV | EPSS | Reference |
|---|---|---|---|
| CVE-2026-102764 | KEV | 1% | NVD ↗ |
| CVE-2023-4966 | KEV | 100% | NVD ↗ |
| CVE-2023-46805 | KEV | 100% | NVD ↗ |
| CVE-2024-21887 | KEV | 100% | NVD ↗ |
| CVE-2025-0282 | KEV | 100% | NVD ↗ |
| CVE-2026-22769 | KEV | 14% | NVD ↗ |
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