Threat Intelligence Brief
Curated summary with source attribution
Source: krebsonsecurity.com
Threat Risk: Medium
Victim: Organisations using the affected technology
Incident: Microsoft today released updates to remedy at least 398 security vulnerabilities in its Windows operating systems and supported software, including one weakness that is already being actively exploited and two others that were publicly detailed prior to today.
Impact: Potential security impact depending on exposure.
Attacker: Unidentified threat actors
Analysis: The key concern for Organisations using the affected technology is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Recommendations: Review affected systems; Apply vendor guidance; Monitor for related indicators
Source: Original article link below
Editorial note: this post summarizes third-party reporting and links to the original source.
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Latest Developments
Update — 2026-09-15 06:28 UTC
Cisco has warned that a new critical vulnerability impacting AsyncOS Software for Cisco Secure Email Gateway has come under active exploitation in the wild. Potential security impact depending on exposure. The key concern for Organisations using the affected technology is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: thehackernews.com
Update — 2026-09-16 06:35 UTC
A critical security flaw in WSO2 API Manager has come under active exploitation in the wild, according to findings from watchTowr. Potential security impact depending on exposure. The key concern for Organisations using the affected technology is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: thehackernews.com
Update — 2026-09-16 11:35 UTC
Acronis has warned that a high-severity security flaw in its Backup plugin for cPanel and Web Host Manager (WHM) deployments has been exploited in the wild. Potential security impact depending on exposure. The key concern for Organisations using the affected technology is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: thehackernews.com
Update — 2026-09-16 16:27 UTC
A critical security flaw in Issabel Framework, a web-based framework for the open-source unified communications PBX software, has come under active exploitation. Potential security impact depending on exposure. The key concern for Organisations using the affected technology is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: thehackernews.com
Update — 2026-09-17 13:51 UTC
Cisco has warned of a fresh maximum-severity security flaw impacting Identity Services Engine (ISE) that has come under active exploitation. Potential security impact depending on exposure. The key concern for Organisations using the affected technology is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: thehackernews.com
Update — 2026-09-19 11:22 UTC
A critical vulnerability impacting Orkes Conductor is being actively exploited in the wild, according to Fortinet. Potential security impact depending on exposure. The key concern for Organisations using the affected technology is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: thehackernews.com
Update — 2026-09-22 13:27 UTC
Attackers are exploiting a new flaw in on-premises VeloCloud Orchestrator (VCO), the server that manages the Edge devices in a VeloCloud SD-WAN, Arista said on September 22. Potential security impact depending on exposure. The key concern for Organisations using the affected technology is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: thehackernews.com
Update — 2026-09-28 03:15 UTC
Cybersecurity and Infrastructure Security Agency (CISA) on Friday added two security flaws impacting Microsoft SharePoint and Mikrotik RouterOS to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. Potential security impact depending on exposure. The key concern for Organisations using the affected technology is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: thehackernews.com
Update — 2026-10-01 11:08 UTC
Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a critical authentication bypass flaw impacting Cisco Catalyst SD-WAN Manager to its Known Exploited Vulnerabilities (KEV), following reports of active exploitation. Potential security impact depending on exposure. The key concern for Organisations using the affected technology is the potential follow-on impact — Potential security impact depending on exposure. Treat this as a medium-priority item and validate the source details, exposure scope, and required defensive actions. Attribution is not yet specific, so defenders should validate exposure before assuming actor intent.
Corroborating source: thehackernews.com