This Week in Threats: Oct 26–Nov 03, 2026

Weekly Threat Summary

10 vulnerabilities were added to the CISA Known Exploited Vulnerabilities (KEV) catalog since the last roundup. The highest CVSS score is 10.0.

This week includes 4 critical-severity vulnerabilities (CVSS 9.0+) that require immediate attention.

This Week's Vulnerabilities

CVE-2026-97229: GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound Vulnerability

• CVSS Score: 10.0 (CRITICAL)
• Date Added: 2026-10-29
• Description: GitLab Community Edition and Enterprise Edition contain a integer overflow or wraparound vulnerability that could...
• 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-2026-111497: Google Brotli Unchecked Return Value Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-10-27
• Description: Google Brotli contains an unchecked return value vulnerability that allows a remote 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-2026-109618: PHP Memory Corruption Vulnerability

• CVSS Score: 9.8 (CRITICAL)
• Date Added: 2026-10-26
• Description: PHP contains an out-of-memory corruption vulnerability that allows for unauthenticated remote code execution.
• 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-2026-48356: Adobe Commerce and Magento Unrestricted Upload of File with Dangerous Type Vulnerability

• CVSS Score: 9.3 (CRITICAL)
• Date Added: 2026-10-27
• Description: Adobe Commerce and Magento contain an unrestricted upload of file with dangerous type vulnerability that could...
• 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-2026-76418: Cisco Secure Firewall ASA Software and Cisco Secure FTD Software Unchecked Return Value to NULL Pointer Dereference Vulnerability

• CVSS Score: 8.6 (HIGH)
• Date Added: 2026-10-29
• Description: Cisco Secure Firewall ASA Software and Cisco Secure FTD Software contains an unchecked return value to NULL pointer...
• 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-2026-109619: PHP Stale Internal Request-State Vulnerability

• CVSS Score: 8.1 (HIGH)
• Date Added: 2026-10-26
• Description: PHP contains a stale internal request-state vulnerability that allows for unauthenticated remote code execution.
• 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-2026-46300: Linux Kernel Missing Initialization of a Variable Vulnerability

• CVSS Score: 7.8 (HIGH)
• Date Added: 2026-10-28
• Description: Linux Kernel contains a missing initialization of a variable vulnerability that could allow for unintended...
• 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-2026-111357: Ivanti Connect Secure Missing Authentication for Critical Function Vulnerability

• CVSS Score: 7.0 (HIGH)
• Date Added: 2026-10-30
• Description: Ivanti Connect Secure contains a missing authentication for critical function vulnerability that could allow a local...
• 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-2026-41709: Broadcom VMWare ESX Insufficient Logging Vulnerability

• CVSS Score: 2.7 (LOW)
• Date Added: 2026-10-28
• Description: Broadcom VMWare ESX contains an insufficient logging vulnerability that could allow a malicious actor with admin...
• 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-2026-118527: Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability

• CVSS Score: None (LOW)
• Date Added: 2026-10-30
• Description: Ivanti Connect Secure contains a generation of predictable numbers or identifiers vulnerability that allows 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.

What This Means for You

If you run any of the affected products, patch immediately. Every vulnerability in this roundup is in CISA's KEV catalog, which lists only flaws with confirmed exploitation in the wild.

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-2026-109618 → D2 Threats & Vulnerabilities
• CVE-2026-48356 → D2 Threats & Vulnerabilities
• CVE-2026-76418 → D3 Security Architecture
• CVE-2026-109619 → D2 Threats & Vulnerabilities
• CVE-2026-41709 → D4 Security Operations

ISC2 CISSP

• CVE-2026-97229 → D6 Security Assessment
• CVE-2026-111497 → D6 Security Assessment
• CVE-2026-109618 → D6 Security Assessment
• CVE-2026-48356 → D6 Security Assessment
• CVE-2026-76418 → D4 Communication & Network, D6 Security Assessment, D8 Software Development
• CVE-2026-109619 → D6 Security Assessment
• CVE-2026-46300 → D6 Security Assessment
• CVE-2026-111357 → D5 IAM, D6 Security Assessment
• CVE-2026-41709 → D6 Security Assessment, D7 Security Operations
• CVE-2026-118527 → D6 Security Assessment

Cisco CCNA

• CVE-2026-76418 → 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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