This Week in Threats: Jul 21–Aug 04, 2026

Weekly Threat Summary

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

This week includes 5 critical-severity vulnerabilities (CVSS 9.0+) that require immediate attention.

This Week's Vulnerabilities

CVE-2026-16812 — Arista VeloCloud Orchestrator On-Prem OS Command Injection Vulnerability

• CVSS Score: 10.0 (CRITICAL)
• Date Added: 2026-07-27
• Description: Arista VeloCloud Orchestrator On-Prem contains an OS command injection vulnerability that may 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-2026-16232 — 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-2025-68686 — Fortinet FortiOS Exposure of Sensitive Information to an Unauthorized Actor Vulnerability

• CVSS Score: 5.9 (MEDIUM)
• Date Added: 2026-07-27
• Description: Fortinet FortiOS contains an exposure of sensitive information to an unauthorized actor vulnerability. This may...
• 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-2026-20316 — Cisco Secure Firewall Management Center Use of Hard-coded Password Vulnerability

• CVSS Score: 5.3 (MEDIUM)
• Date Added: 2026-07-29
• Description: Cisco Secure Firewall Management Center (FMC) formerly known as Firepower Management Center contains a use of...
• 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-2026-16812 → D2 Threats & Vulnerabilities, D3 Security Architecture
• CVE-2026-50522 → D2 Threats & Vulnerabilities
• CVE-2021-27137 → D2 Threats & Vulnerabilities
• CVE-2026-60137 → D2 Threats & Vulnerabilities
• CVE-2026-20316 → D3 Security Architecture

ISC2 CISSP

• CVE-2026-16812 → D6 Security Assessment
• CVE-2026-50522 → D6 Security Assessment
• CVE-2026-0770 → D6 Security Assessment
• CVE-2026-63030 → D6 Security Assessment
• CVE-2026-16232 → D5 IAM, D6 Security Assessment
• CVE-2021-27137 → D6 Security Assessment
• CVE-2025-68686 → D6 Security Assessment
• CVE-2026-60137 → D6 Security Assessment
• CVE-2026-20316 → D4 Communication & Network, D6 Security Assessment

Cisco CCNA

• CVE-2026-20316 → 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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