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Windows kernel zero-day exploited; Zoom annotation RCE, Sandworm VPN campaign

ID: 311696d4-85b6-558d-a9c7-d3e83ce3b816

STIX ID: report--311696d4-85b6-558d-a9c7-d3e83ce3b816

Feed Name: defend.network

Threat Score
88/100

Date Published: 2026-08-12

Date Updated: 2026-08-12

Author: defend.network

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This multi-source briefing reports several high-priority threats: an actively exploited Windows kernel zero-day (afd.sys) enabling SYSTEM escalation, zero-click Zoom annotation RCE, Sandworm (UAC-0145) targeted social-engineering delivering trojanized WireGuard VPN, an AI-assisted SharePoint unauthenticated RCE (CVE-2026-55040), and active DoS exploitation of Cisco ASA/FTD VPNs; it urges immediate patching, monitoring, segmentation, and user awareness.

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