This Week in Threats: Jul 14–Jul 28, 2026

Weekly Threat Summary

15 vulnerabilities were added to the CISA Known Exploited Vulnerabilities (KEV) catalog this period. The highest CVSS score is 10.0.

This week includes 9 critical-severity vulnerabilities (CVSS 9.0+) that require immediate attention.

This Week's Vulnerabilities

CVE-2026-15409 — SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability

• CVSS Score: 10.0 (CRITICAL)
• Date Added: 2026-07-14
• Description: SonicWall SMA1000 Appliances contain a server-side request forgery vulnerability that could allow a remote...
• Required Action: 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.

CVE-2026-50522 — Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-07-22
• Description: Microsoft SharePoint contains a deserialization of untrusted data vulnerability which could allow an unauthorized...
• Required Action: 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.

CVE-2026-0770 — Langflow Inclusion of Functionality from Untrusted Control Sphere Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-07-21
• Description: Langflow contains an inclusion of functionality from untrusted control sphere vulnerability that allows remote...
• Required Action: 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.

CVE-2026-63030 — WordPress Core Interpretation Conflict Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-07-21
• Description: WordPress Core contains an interpretation conflict vulnerability that could allow an attacker to perform SQL...
• Required Action: 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.

CVE-2026-39808 — Fortinet FortiSandbox OS Command Injection Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-07-16
• Description: Fortinet FortiSandbox contains an OS command injection vulnerability that could allow an unauthenticated attacker to...
• Required Action: 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.

CVE-2026-25089 — Fortinet FortiSandbox OS Command Injection Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-07-16
• Description: Fortinet FortiSandbox, FortiSandbox Cloud, and FortiSandbox PaaS contain an OS command injection vulnerability that...
• Required Action: 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.

CVE-2026-58644 — Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-07-16
• Description: Microsoft SharePoint contains a deserialization of untrusted data vulnerability that allows an unauthorized attacker...
• Required Action: 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.

CVE-2026-46817 — Oracle E-Business Suite Improper Privilege Management Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-07-15
• Description: Oracle E-Business Suite contains an improper privilege management vulnerability that allows an unauthenticated...
• Required Action: 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.

CVE-2026-16232 — Check Point SmartConsole Improper Authentication Vulnerability

• CVSS Score: 9.1 (CRITICAL)
• Date Added: 2026-07-22
• Description: Check Point SmartConsole contains an improper authentication vulnerability which could allow an unauthenticated...
• Required Action: 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.

CVE-2021-27137 — DD-WRT Stack-Based Buffer Overflow Vulnerability

• CVSS Score: 8.1 (HIGH)
• Date Added: 2026-07-21
• Description: DD-WRT contains a stack-based buffer overflow vulnerability that could allow an unauthenticated attacker to overflow...
• Required Action: 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.

CVE-2026-56155 — Microsoft Active Directory Federation Services Insufficient Granularity of Access Control Vulnerability

• CVSS Score: 7.8 (HIGH)
• Date Added: 2026-07-14
• Description: Microsoft Active Directory Federation Services contains an insufficient granularity of access control vulnerability...
• Required Action: 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.

CVE-2023-4346 — KNX Association KNX Protocol Connection Authorization Option 1 Overly Restrictive Account Lockout Mechanism Vulnerability

• CVSS Score: 7.5 (HIGH)
• Date Added: 2026-07-15
• Description: KNX Association KNX Protocol Connection Authorization Option 1 contains an overly restrictive account lockout...
• Required Action: 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.

CVE-2026-15410 — SonicWall SMA1000 Appliances Code Injection Vulnerability

• CVSS Score: 7.2 (HIGH)
• Date Added: 2026-07-14
• Description: SonicWall SMA1000 Appliances contain a code injection vulnerability which in specific conditions could potentially...
• Required Action: 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.

CVE-2026-60137 — WordPress Core SQL Injection Vulnerability

• CVSS Score: 5.9 (MEDIUM)
• Date Added: 2026-07-21
• Description: WordPress Core contains a SQL injection vulnerability when a plugin or theme passes untrusted input to the...
• Required Action: 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.

CVE-2026-56164 — Microsoft SharePoint Server Missing Authentication for Critical Function Vulnerability

• CVSS Score: 5.3 (MEDIUM)
• Date Added: 2026-07-14
• Description: Microsoft SharePoint contains a missing authentication for critical function vulnerability that allows an...
• Required Action: 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.

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-2026-50522 → D2 Threats & Vulnerabilities
• CVE-2026-39808 → D2 Threats & Vulnerabilities
• CVE-2026-25089 → D2 Threats & Vulnerabilities, D3 Security Architecture
• CVE-2026-58644 → D2 Threats & Vulnerabilities
• CVE-2021-27137 → D2 Threats & Vulnerabilities
• CVE-2026-56155 → D1 General Security Concepts
• CVE-2026-15410 → D2 Threats & Vulnerabilities
• CVE-2026-60137 → D2 Threats & Vulnerabilities

ISC2 CISSP

• CVE-2026-15409 → D6 Security Assessment
• CVE-2026-50522 → D6 Security Assessment
• CVE-2026-0770 → D6 Security Assessment
• CVE-2026-63030 → D6 Security Assessment
• CVE-2026-39808 → D6 Security Assessment
• CVE-2026-25089 → D6 Security Assessment
• CVE-2026-58644 → D6 Security Assessment
• CVE-2026-46817 → D6 Security Assessment
• CVE-2026-16232 → D5 IAM, D6 Security Assessment
• CVE-2021-27137 → D6 Security Assessment
• CVE-2026-56155 → D5 IAM, D6 Security Assessment
• CVE-2023-4346 → D4 Communication & Network, D5 IAM, D6 Security Assessment
• CVE-2026-15410 → D6 Security Assessment
• CVE-2026-60137 → D6 Security Assessment
• CVE-2026-56164 → D5 IAM, D6 Security Assessment

Cisco CCNA

• CVE-2026-46817 → D5 Security 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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