Threat Intelligence Report — October 17, 2026 | 7 New KEVs · 299 Victims

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Report Date: 2026-10-17

New KEVs: 7  ▲ +1 vs last weekRansomware Victims: 299  ▲ +102 vs last week

7 vulnerabilities were added to the CISA Known Exploited Vulnerabilities catalog this period. Cisco products show the strongest concentration of risk signals this week. Ransomware activity is moderate with 299 new victims posted to leak sites over the last 7 days, with N0N posting the most victims.

On this page

  1. Patch This Week
  2. Top KEVs
  3. Security News
  4. Ransomware Activity
  5. Vendor-Specific Risks

Patch This Week

The top 3 KEVs to remediate right now, ranked by CISA deadline proximity, ransomware exploitation, and severity. These are confirmed exploited — if you do nothing else today, patch these.

  1. CVE-2026-96951 – Microsoft Windows | CVSS 8.8 | EPSS 1.5% / 74th pct
    CISA deadline: 2026-10-16 (overdue by 1d) — Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
  2. CVE-2026-104935 – Ivanti Connect Secure | CVSS 8.6 | EPSS 26.0% / 98th pct
    CISA deadline: 2026-10-16 (overdue by 1d) — Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
  3. CVE-2026-76519 – Cisco Secure Email Gateway | CVSS 9.8 | EPSS 1.6% / 75th pct
    CISA deadline: 2026-10-17 (0d remaining) — Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Top KEVs

Vulnerabilities confirmed actively exploited in the wild by CISA — ranked by ransomware use, then severity. Patch these before anything else.

This Reporting Window

  • CVE-2026-76519 – Cisco Secure Email Gateway | CVSS 9.8 (CRITICAL) | AV: Network | EPSS 1.6% / 75th pct | Ransomware Use: No
  • CVE-2026-102764 – BeyondTrust Remote Support | CVSS 9.3 (CRITICAL) | AV: Network | EPSS 0.6% / 48th pct | Ransomware Use: No
  • CVE-2026-105134 – Ahsay AhsayCBS | CVSS 9.3 (CRITICAL) | AV: Network | EPSS 4.8% / 92th pct | Ransomware Use: No
  • CVE-2026-96951 – Microsoft Windows | CVSS 8.8 (HIGH) | AV: Network | EPSS 1.5% / 74th pct | Ransomware Use: No
  • CVE-2026-0322 – Palo Alto Networks PAN-OS | CVSS 8.6 (HIGH) | AV: Network | EPSS 1.2% / 68th pct | Ransomware Use: No
  • CVE-2026-104935 – Ivanti Connect Secure | CVSS 8.6 (HIGH) | AV: Network | EPSS 26.0% / 98th pct | Ransomware Use: No
  • CVE-2025-61624 – Fortinet Multiple Products | CVSS 6.0 (MEDIUM) | AV: Local | EPSS 0.6% / 47th pct | Ransomware Use: No

Security News

Advisories, threat research, and incident reports from 12 sources across government, commercial research, and security journalism — prioritized by source credibility.

Ransomware Activity

Victim counts posted to ransomware group leak sites — use this to gauge which groups are most active and which sectors and regions are being targeted.

16 new victims posted today
7-day total: 299 via Ransomware.live

Most Active Groups

N0N 84 Thegentlemen 42 Qilin 25 Wallstreet 15 Lockbit5 10

Group Intelligence

  • Thegentlemen — The Gentlemen is a RaaS group that emerged in July–August 2025, rapidly claiming over 320 victims across 17+ countries by offering affiliates a 90% revenue share, deploying a Go-based locker against Windows, Linux, NAS, and BSD systems; a compromised C2 server in 2026 revealed more than 1,570 linked victims.
  • Qilin — Qilin ransomware was first observed in July of 2022. Qilin Ransomware is written in Golang and supports multiple encryption modes; all of which are controlled by the operator. Qilin actors practice double extortion – demanding payment for a decryptor, as well as for the non-release of stolen data.
  • Lockbit5 — LockBit 5.0 ("ChuongDong") emerged in September 2025 as the group's resurgence following the February 2024 law enforcement takedown, introducing cross-platform payloads targeting Windows, Linux, and VMware ESXi with enhanced evasion capabilities and continuing the RaaS affiliate model of its predecessors.

Most Targeted Sectors

Transportation 43 Technology 33 Professional Services 32 Healthcare 31 Manufacturing 28

Top Countries

US (92), BR (16), KR (15), GB (12), SE (10)

Notable Incidents

  • Interseguro (Financial Services · PE) — claimed by Direwolf. Insurance Press coverage →
  • saintpierredescorps.fr (Other · FR) — claimed by Lockbit5. Une administration publique française. Voici les informations professionnelles et juridiques disp… Press coverage →
  • Commune Du Tampon (Government & Defense · RE) — claimed by Qilin. N/A Press coverage →
  • hsc.mb.ca (Healthcare · CA) — claimed by Incransom. The Health Sciences Centre in Winnipeg, one of the largest medical institutions, was targeted by us that resulted in the largest data breach among healthcare institutions. Our group chose not to completely disrupt the fa… Press coverage →
  • MoneyGram (Financial Services · US) — claimed by Thegentlemen. moneygram.com Revenue $2.1 Billion MoneyGram global money transfer network moving nearly $200 billion a year through almost 500,000 retail agent locations in 200+ countries and serving 60 million+ active customers, with … Press coverage →

Vendor-Specific Risks

Vendors with confirmed KEV exploitation this week — the stacked bar shows how that exposure breaks down across exploited CVEs (red), critical CVEs to watch (orange), and news mentions (yellow). Prioritize patching vendors with the largest red segment.

Cisco 2 Microsoft 2 Ivanti 1 Ahsay 1 Fortinet 1 KEVs CVEs Mentions

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