This Week in Threats: Mar 10–Mar 24, 2026

Weekly Threat Summary

6 vulnerabilities were added to the CISA Known Exploited Vulnerabilities (KEV) catalog this period. The highest CVSS score is 10.0. 1 zero-day(s) identified.

This week includes 1 critical-severity vulnerabilities (CVSS 9.0+) that require immediate attention.

This Week's Vulnerabilities

CVE-2026-20127 — Cisco Catalyst SD-WAN Controller and Manager Authentication Bypass Vulnerability

• CVSS Score: 10.0 (CRITICAL)
• Date Added: 2026-02-25
• Description: Cisco Catalyst SD-WAN Controller, formerly SD-WAN vSmart, and Cisco Catalyst SD-WAN Manager, formerly SD-WAN...
• Required Action: Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlines in CISA’s Emergency Directive 26-03 (URL listed below in Notes) and CISA’s “Hunt & Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.

CVE-2026-25108 — Soliton Systems K.K FileZen OS Command Injection Vulnerability

• CVSS Score: 8.8 (HIGH)
• Date Added: 2026-02-24
• Description: Soliton Systems K.K FileZen contains an OS command injection vulnerability when an user logs-in to the affected...
• 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-2026-22719 — Broadcom VMware Aria Operations Command Injection Vulnerability

• CVSS Score: 8.1 (HIGH)
• Date Added: 2026-03-03
• Description: VMware Aria Operations contains a command injection vulnerability that could allow an unauthenticated attacker to execute arbitrary commands on vulnerable systems while support-assisted product migration is in progress.
• Required Action: Apply mitigations per vendor instructions. Upgrade to VMware Aria Operations 8.18.6 or later.

CVE-2026-21385 — Qualcomm Multiple Chipsets Memory Corruption Vulnerability (Zero-Day)

• CVSS Score: 7.8 (HIGH)
• Date Added: 2026-03-03
• Description: Multiple Qualcomm chipsets contain a memory corruption vulnerability due to an integer overflow while using alignments for memory allocation in the graphics component, affecting over 200 chipsets used in Android devices.
• Required Action: Apply mitigations per vendor instructions, including the March 2026 Android security update. Follow applicable BOD 22-01 guidance.

CVE-2022-20775 — Cisco SD-WAN Path Traversal Vulnerability

• CVSS Score: 7.8 (HIGH)
• Date Added: 2026-02-25
• Description: Cisco SD-WAN CLI contains a path traversal vulnerability that could allow an authenticated local attacker to gain...
• Required Action: Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlines in CISA’s Emergency Directive 26-03 (URL listed below in Notes) and CISA’s “Hunt & Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.

CVE-2025-68461 — RoundCube Webmail Cross-site Scripting Vulnerability

• CVSS Score: 7.2 (HIGH)
• Date Added: 2026-02-20
• Description: RoundCube Webmail contains a cross-site scripting vulnerability via the animate tag in an SVG document.
• 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-2026-20127 → D2 Threats & Vulnerabilities
• CVE-2026-25108 → D2 Threats & Vulnerabilities, D4 Security Operations
• CVE-2026-22719 → D2 Threats & Vulnerabilities
• CVE-2025-68461 → D2 Threats & Vulnerabilities

ISC2 CISSP

• CVE-2026-20127 → D5 IAM, D6 Security Assessment
• CVE-2026-25108 → D6 Security Assessment
• CVE-2026-22719 → D6 Security Assessment
• CVE-2026-21385 → D6 Security Assessment
• CVE-2022-20775 → D6 Security Assessment
• CVE-2025-68461 → D6 Security Assessment

Cisco CCNA

• CVE-2026-21385 → D1 Network Fundamentals
• CVE-2025-68461 → D1 Network Fundamentals

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

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