Threat Intelligence Report — October 23, 2026 | 7 New KEVs · 209 Victims

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Report Date: 2026-10-23

New KEVs: 7  — unchanged vs last weekRansomware Victims: 209  ▼ -80 vs last week

7 vulnerabilities were added to the CISA Known Exploited Vulnerabilities catalog this period. Plex products show the strongest concentration of risk signals this week. Ransomware activity is moderate with 209 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. Major CVEs
  4. Security News
  5. Ransomware Activity
  6. Active Threat Indicators
  7. 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-2026-96656 – Plex Media Server | CVSS 8.6 | EPSS 0.8% / 57th pct
    CISA deadline: 2026-10-23 (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.
  2. CVE-2026-106931 – EG Secure Solutions SiteGuard Server Edition | CVSS 8.5 | EPSS 1.2% / 67th pct
    CISA deadline: 2026-10-23 (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.
  3. CVE-2026-96654 – Plex Media Server | CVSS 6.9 | EPSS 0.5% / 39th pct
    CISA deadline: 2026-10-23 (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.

New Today

  • CVE-2026-114625 – Arista VeloCloud Orchestrator | CVSS 9.4 (CRITICAL) | AV: Network | EPSS 0.6% / 46th pct | Ransomware Use: No
  • CVE-2026-110447 – Collabora Collabora Online – Built-in CODE Server | CVSS 9.2 (CRITICAL) | AV: Network | EPSS 1.2% / 69th pct | Ransomware Use: No

Still Outstanding

  • CVE-2026-96656 – Plex Media Server | CVSS 8.6 (HIGH) | AV: Network | EPSS 0.8% / 57th pct | Ransomware Use: No
  • CVE-2026-106931 – EG Secure Solutions SiteGuard Server Edition | CVSS 8.5 (HIGH) | AV: Local | EPSS 1.2% / 67th pct | Ransomware Use: No
  • CVE-2026-110936 – Siemens Software Center | CVSS 8.4 (HIGH) | AV: Local | EPSS 0.2% / 14th pct | Ransomware Use: No
  • CVE-2026-96654 – Plex Media Server | CVSS 6.9 (MEDIUM) | AV: Network | EPSS 0.5% / 39th pct | Ransomware Use: No
  • CVE-2026-96655 – Plex Media Server | CVSS 5.3 (MEDIUM) | AV: Network | EPSS 0.5% / 39th pct | Ransomware Use: No

Major CVEs

Critical-severity CVEs published in the last 7 days that are not yet in the CISA KEV catalog — not confirmed exploited, but severe enough to assess and prioritize patching before they are.

  • CVE-2026-109618 – php Php | CVSS 9.2 (CRITICAL) | AV: Network | EPSS 11.6% / 96th pct | Published: 2 days ago | In the News
    PHP uses longjmp() for out-of-memory (OOM) errors to exit the current context and abort handling of the request. Some contexts may not properly account for this scenario and leave request memory in an uninitialized state…
  • CVE-2026-109619 – php Php | CVSS 9.2 (CRITICAL) | AV: Network | EPSS 6.0% / 93th pct | Published: 2 days ago | In the News
    PHP has various global state that temporarily points into request memory. In some scenarios, global state may not be correctly reset, or may be repopulated after being reset. The global state may then refer to request me…
  • CVE-2026-83938 – Unknown Vendor | CVSS 10.0 (CRITICAL) | AV: Network | EPSS 0.7% / 51th pct | Published: yesterday
    Missing authentication for critical function in Azure Kubernetes Configuration Service allows an unauthorized attacker to elevate privileges over a network.
  • CVE-2026-97785 – Unknown Vendor | CVSS 10.0 (CRITICAL) | AV: Network | EPSS 0.6% / 48th pct | Published: yesterday
    Improper authentication in AAD App Proxy allows an unauthorized attacker to elevate privileges over a network.
  • CVE-2026-81212 – Unknown Vendor | CVSS 10.0 (CRITICAL) | AV: Network | EPSS 0.3% / 18th pct | Published: 3 days ago
    IBM DataStage on Cloud Pak for Data 5.4.0.0 allows an unauthenticated user to perform an arbitrary write into shared Redis under any tenant's key. This collapses the platform's credential-encryption boundary and lets an …

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.

38 new victims posted today
7-day total: 209 via Ransomware.live

Most Active Groups

N0N 47 Qilin 29 Silentransomgroup 10 Everest 9 Helix 9

Group Intelligence

  • 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.
  • Silentransomgroup — A former Conti team
    aka Chatty Spider and UNC3753
  • Everest — Everest ransom group collects and analyzes information about their victims. They specialize in customer privacy data, financial information, databases, credit card information, and more. The Everest ransom group leaks the victim's data to the darknet and they announced that any victim that will not contact them will suffer from a data leak and they will not delete hist files for future usage.

Most Targeted Sectors

Manufacturing 29 Professional Services 25 Technology 20 Healthcare 16 Other 14

Top Countries

US (86), DE (13), GB (7), IT (5), AR (4)

Notable Incidents

Active Threat Indicators

Live IOC intelligence from abuse.ch —
Feodo Tracker, URLhaus, and ThreatFox. Use to update firewall rules, DNS sinkholes, and EDR signatures.

Active C2 Servers — Block Outbound (Feodo Tracker)

IP Address Port Malware Family Country
50.16.16.211 443 QakBot US

Full blocklists: Feodo • URLhaus • ThreatFox

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.

Plex 3 Siemens 1 Collabora 1 Arista 1 Eg Secure Solutions 1 KEVs CVEs Mentions

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