This Week in Threats: Mar 31–Apr 14, 2026

Weekly Threat Summary

4 vulnerabilities were added to the CISA Known Exploited Vulnerabilities (KEV) catalog this period. The highest CVSS score is 9.8.

This week includes 2 critical-severity vulnerabilities (CVSS 9.0+) that require immediate attention.

This Week's Vulnerabilities

CVE-2026-1340 — Ivanti Endpoint Manager Mobile (EPMM) Code Injection Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-04-08
• Description: Ivanti Endpoint Manager Mobile (EPMM) contains a code injection vulnerability that could allow attackers to achieve...
• Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CVE-2026-35616 — Fortinet FortiClient EMS Improper Access Control Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-04-06
• Description: Fortinet FortiClient EMS contains an improper access control vulnerability that may allow an unauthenticated...
• Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CVE-2026-5281 — Google Dawn Use-After-Free Vulnerability

• CVSS Score: 8.8 (HIGH)
• Date Added: 2026-04-01
• Description: Google Dawn contains an use-after-free vulnerability that could allow a remote attacker who had compromised the...
• Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CVE-2026-3502 — TrueConf Client Download of Code Without Integrity Check Vulnerability

• CVSS Score: 7.8 (HIGH)
• Date Added: 2026-04-02
• Description: TrueConf Client contains a download of code without integrity check vulnerability. An attacker who is able to...
• Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

What This Means for You

If you run any of the affected products, patch immediately. Critical-severity vulnerabilities are actively exploited in the wild — CISA adds them to the KEV catalog specifically because they represent real, current threats.

Use the CVSS Calculator to assess how these scores apply to your specific environment.

Cert Study Angles

These CVEs map directly to certification exam objectives. Use them as real-world case studies:

CompTIA Security+

• CVE-2026-1340 → D2 Threats & Vulnerabilities, D4 Security Operations
• CVE-2026-35616 → D1 General Security Concepts

ISC2 CISSP

• CVE-2026-1340 → D6 Security Assessment
• CVE-2026-35616 → D5 IAM, D6 Security Assessment
• CVE-2026-5281 → D6 Security Assessment
• CVE-2026-3502 → D6 Security Assessment

See all CVEs mapped to your cert: Exploit Tracker

Tools to Help

• CVSS Calculator — Score these vulnerabilities for your specific environment
• Exploit Tracker — Filter KEV vulnerabilities by certification relevance
• Study Tracker — Track your exam objective completion
• Security+ Practice Quiz — Test your knowledge of vulnerability types and mitigations

Stay Updated

This roundup is published every Tuesday. Bookmark the FixTheVuln Blog to stay on top of the latest threats — or subscribe via RSS.