888.624.6737

syse-blog-header

Critical UEFI Vulnerability CVE-2026-97631: What You Need to Know

October 29, 2026

A newly disclosed vulnerability, CVE-2026-97631, affects a network-boot component within TianoCore EDK II, technology used in some UEFI firmware.  The vulnerability has received a critical 9.5 severity rating because successful exploitation could potentially allow an attacker to execute code before the operating system and endpoint security controls load.

What is the actual risk?

Despite its critical rating, exploitation requires specific conditions.  The vulnerable functionality is associated with PXE network boot, meaning an attacker must be able to communicate with an affected system while it is actively performing a network boot.

For most client environments, this significantly reduces practical exposure.  Servers and infrastructure protected behind properly configured firewalls such as FortiGate or Cisco, without Internet-accessible management or provisioning interfaces, are not ordinarily exposed to this attack directly from the Internet.

A remote attacker would generally need to first establish an internal foothold or otherwise gain access to a network capable of reaching the affected system during PXE boot.

Systems that do not use PXE or UEFI network boot have substantially less exposure to this vulnerability.

What Systems Engineering is doing

  • Monitoring HPE, Dell, HP, Lenovo, and NetApp for product-specific security advisories and firmware updates.
  • Evaluating the use of PXE and UEFI network boot across applicable infrastructure.
  • Reviewing network segmentation and exposure of provisioning infrastructure where applicable.
  • Planning review and deployment strategies for vendor-approved firmware updates where affected products are identified.

What should you do?

Systems protected by properly configured firewalls and without exposed network-boot services do not currently require emergency client action.

Where PXE or UEFI network boot is not required, we recommend disabling the functionality as an additional precaution.  Organizations using PXE should ensure provisioning networks are isolated from untrusted, guest, wireless, and unnecessary user networks.

We will continue monitoring vendor guidance and will work directly with affected clients if remediation becomes necessary.

Our Assessment

Severity: Critical | Practical risk for most managed environments: Low

CVE-2026-97631 demonstrates why vulnerability severity alone does not determine organizational risk.  Existing controls such as network segmentation, restricted management access, firewall protections, and reducing unnecessary services can significantly limit real-world exploitability while vendors develop and distribute firmware updates.

Questions?

If you have questions related to this finding or would like assistance in reviewing your computing system for vulnerable access to these risk factors, please contact your Account Manager at Systems Engineering directly.

Read More »

Cybersecurity, Security Bulletins & Alerts, Network Security

The Vulnerability Window is Shrinking: Cybersecurity in the Age of AI

October 23, 2026

For years, cybersecurity teams have talked about a familiar race: vendors discover vulnerabilities, patches become available, businesses deploy them, and attackers try to exploit the vulnerabilities before all of that happens.

That race has changed.

Artificial Intelligence (AI) is giving both defenders and attackers capabilities that once required significant time and specialized expertise. AI can accelerate vulnerability research, reconnaissance, exploit development, social engineering, and other stages of the modern attack framework. The result is not necessarily an entirely new form of cybercrime. Rather, it's something arguably more challenging: the same attacks businesses have faced for years can now happen faster, at greater scale, and with increasing automation.

Finding and eventually patching vulnerabilities is no longer enough. We need to reduce the time between discovering risk, understanding its relevance, and taking action. Perhaps most important, however, is detecting attempted exploitation as this timeline compression hastens.

 

Vulnerability Management has

Become a Race Against Time

Not every vulnerability represents the same risk.

A critical vulnerability on an isolated internal system may represent a different level of urgency than a vulnerability actively being exploited against an internet-facing firewall, VPN, or application. Effective vulnerability management therefore requires more than simply looking at a CVSS score and working from highest to lowest.

There are several items that today's organizations should consider:

  • Is the vulnerability being actively exploited?
  • Is the affected system exposed to the Internet?
  • What privileges or access could exploitation provide?
  • Are exploits readily available?
  • What business functions depend on the affected system?
  • Is there evidence suggesting the system may already have been targeted?
  • What mitigating controls exist if an immediate patch is not possible?

That philosophy increasingly aligns with guidance from the Cybersecurity and Infrastructure Security Agency (CISA) Known Exploited Vulnerabilities (KEV) Catalog. CISA specifically recommends organizations use its KEV catalog as an input to vulnerability-management prioritization rather than treating every vulnerability based solely on its published CVSS score.

Recent CISA guidance goes a step further by emphasizing rapid remediation of actively exploited vulnerabilities on exposed systems and, for certain higher-risk situations, considering whether compromise occurred before the patch was installed.

That last point is critical.

Patching closes the vulnerability. It does not necessarily remove an attacker who exploited it yesterday.

 

Vulnerability Management and

Threat Detection Must Converge

This is why modern cybersecurity cannot operate as a series of disconnected activities.

  • Vulnerability management tells us where we may be exposed.

  • Threat intelligence tells us what attackers are actively targeting.

  • Endpoint, identity, network, and cloud telemetry tell us what is actually happening in the environment.

  • Security operations provide the ability to investigate and respond when those signals indicate a potential compromise.

When these capabilities work together, security teams can make better decisions much faster.

 

AI Raises the Stakes, but the

Fundamentals Still Matter

It is tempting to think AI requires businesses to reinvent cybersecurity completely. In reality, AI makes getting the fundamentals right even more important.

The foundations remain familiar:

Know what you have.
Maintain visibility into devices, applications, cloud services, identities, and Internet-facing assets.

Continuously identify vulnerabilities.
Regular scanning and exposure management are increasingly important because the environment and threat landscape change constantly.

Prioritize based on risk.
Combine vulnerability severity with exploit intelligence, asset exposure, business criticality, and real-world threat activity.

Patch intelligently.
The goal is not merely a high patch-compliance percentage. It is reducing the window in which the vulnerabilities most likely to result in compromise remain exploitable.

Detect what prevention misses.
Endpoint Detection and Response (EDR), Identity Threat Detection and Response (ITDR), and Managed Detection and Response (MDR) provide critical visibility when preventive controls fail.

Be prepared to respond.
Organizations need well-defined escalation, containment, recovery, and incident-response processes before the incident occurs.

 

Where an MSP Fits

For many small and midsized businesses, doing all of this internally is not only difficult.  It's nearly impossible.

Cybersecurity now requires organizations to monitor a constantly changing combination of vulnerabilities, vendor advisories, threat intelligence, endpoint activity, cloud services, identities, network infrastructure, and security alerts. It also requires people with the expertise to distinguish routine security noise from something requiring immediate action.

That is where a mature Managed Service Provider and security partner can have significant value.

At Systems Engineering, our approach combines capabilities including vulnerability management, patch management, EDR, ITDR, MDR, security operations, identity and access security, incident response support, and risk management. Our security operations capabilities extend across endpoints, network infrastructure, Microsoft 365, Azure, and other cloud services, with escalation and response processes designed to support organizations when serious threats are identified.

That integrated model matters because today's security problem isn't simply:

"Are we patched?"

The more important questions are:

"Where are we exposed? Which exposures matter most? Are attackers targeting them? Can we detect exploitation? And can we respond quickly enough if something happens?"

Those are questions that require technology, threat intelligence, process, and human expertise working together.

 

Cybersecurity Is Becoming a

Continuous Discipline

The lesson of today's AI-enabled threat environment isn't that businesses are powerless against increasingly sophisticated adversaries.

It is that time matters more than ever.

The organizations best positioned to manage cyber risk will be those that shorten the cycle between discovery and action: continuously understanding their exposure, prioritizing the vulnerabilities that attackers are most likely to exploit, remediating them quickly, monitoring for signs of compromise, and having people ready to respond when something gets through.

Technology can automate much of that process. AI will increasingly make both sides faster. However, cybersecurity still ultimately depends on something very human: making the right decision, about the right risk, at the right time.

For businesses looking for the right partner to support all of those capabilities, the right MSP can provide the technology, visibility, expertise, and operational capacity necessary to turn cybersecurity from a collection of tools into a continuously managed program.

At Systems Engineering, that is the role we believe a modern technology and security partner should play.

Contact us today about how our service offerings converge these cybersecurity program requirements into a package that fits any organization's needs.

Read More »

Cybersecurity, Network Security, IT Solutions & Support, Artificial Intelligence

SECURITY ALERT: Critical PHP Vulnerabilities Require Immediate Attention

October 22, 2026

Two critical vulnerabilities, CVE-2026-109618 and CVE-2026-109619, have been disclosed in PHP. Collectively referred to as PHP2Shell, these vulnerabilities can potentially allow an unauthenticated attacker to remotely execute code on a vulnerable system.

Read More »

Security Bulletins & Alerts

SECURITY ALERT: Critical Cisco Expressway Security Update

October 22, 2026

Systems Engineering Security Advisory — October 22, 2026

Read More »

Security Bulletins & Alerts

SECURITY ALERT: Urgent Fortinet Security Updates

October 22, 2026

On Wednesday, October 21st, Fortinet announced a coordinated set of critical security updates for several of its most widely deployed products to become available October 22nd. 

The Systems Engineering team has been tracking this announcement closely and is responding proactively for our clients – we are in direct communication with any clients we believe will be impacted by this announcement and the associated patching required.

Read More »

Security Bulletins & Alerts

Behind the Build: How SE's Shop Lead Keeps Tech Delivery Running Smoothly

October 20, 2026

When clients receive fully assembled, configured, and deployment-ready technology solutions, they rarely see the work happening behind the scenes. For Antonio Schiano, Systems Engineering's Shop Lead & Engineering professional, that's where the real work begins.

Read More »

Threat Trend Advisory: ClickFix Social Engineering Attacks on the Rise

September 21, 2026

Executive Summary

Read More »