IR Trends Q3 2025: ToolShell attacks dominate, highlighting criticality of segmentation and rapid response
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
CVE-2025-49704+1 related CVE | Authenticated Code Injection RCE in Microsoft SharePoint | 8.8 group max | 100% | KEVRansomware | KEV |
| CVE-2025-53770 | Unauthenticated Deserialization RCE in Microsoft SharePoint Server on-premises | 9.8 | 100% | KEVRansomwarePoC ×3 | KEV |
| CVE-2025-53771 | Improper Authentication in Microsoft SharePoint Server Enables Network Spoofing | 6.5 | 100% |
From the original article
13 min read at blog.talosintelligence.com
Threat actors predominately exploited public-facing applications for initial access this quarter, with this tactic appearing in over 60 percent of Cisco Talos Incident Response (Talos IR) engagements – a notable increase from less than 10 percent last quarter.
blog.talosintelligence.com
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