MSP Threat Radar Weekly Briefing — Week of 2026-07-20

This week’s briefing tracks 12 recent watch items across 5 vendors, with emphasis on active service incidents and high-priority operational issues.

Top items

Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

• Vendor: Microsoft
• Published: 2026-07-22
• Status: active
• Source: cisa-kev
• Official advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50522

Microsoft SharePoint contains a deserialization of untrusted data vulnerability which could allow an unauthorized attacker to execute code over a network.

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. Due date: 2026-07-25.

WordPress Core Interpretation Conflict Vulnerability

• Vendor: Wordpress
• Published: 2026-07-21
• Status: active
• Source: cisa-kev
• Official advisory: https://wordpress.org/news/2026/07/wordpress-7-0-2-release/

WordPress Core contains an interpretation conflict vulnerability that could allow an attacker to perform SQL Injection and achieve Remote Code Execution. This vulnerability can be chained with CVE-2026-60137.

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. Due date: 2026-07-24.

WordPress Core SQL Injection Vulnerability

• Vendor: Wordpress
• Published: 2026-07-21
• Status: active
• Source: cisa-kev
• Official advisory: https://wordpress.org/news/2026/07/wordpress-7-0-2-release/

WordPress Core contains a SQL injection vulnerability when a plugin or theme passes untrusted input to the parameter. This vulnerability can be chained with CVE-2026-63030 to allow an unauthenticated attacker to gain remote code execution on default WordPress installations.

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. Due date: 2026-08-04.

multi-domain security management vulnerability (CVE-2026-16232)

• Vendor: Checkpoint
• Published: 2026-07-22
• Status: active
• Source: nvd
• Official advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-16232

An authentication bypass vulnerability in the Check Point SmartConsole login process allows an unauthenticated remote attacker to obtain an application login token and use it to authenticate with full administrative privileges. Successful exploitation allows the attacker to modify security policies and security configurations. Remote exploitation requires internet access to the Management Server IP address and a configuration that does not restrict Trusted Clients. Check Point is aware that this vulnerability is being exploited and has affected a very small number of customers.

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. Review affected assets, prioritize patch validation, and map remediation against managed client inventory.

Langflow Inclusion of Functionality from Untrusted Control Sphere Vulnerability

• Vendor: Langflow
• Published: 2026-07-21
• Status: active
• Source: cisa-kev
• Official advisory: https://github.com/langflow-ai/langflow/releases/tag/v1.9.0

Langflow contains an inclusion of functionality from untrusted control sphere vulnerability that allows remote attackers to execute arbitrary code on affected installations.

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. Due date: 2026-07-24.