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A proposed class action accuses University Hospitals of negligence after an October 22 cyberattack that took its MyChart portal offline; the Cleveland patient's suit, filed October 28, claims more than a million records were exposed, a number University Hospitals has not confirmed. University of New Mexico Health Sciences Center disclosed a cyberattack October 26 that diverted ambulances for about two hours; the BYOD extortion group claims it compromised 36,000 systems, a figure UNM has not confirmed. Philips updated its Node2Shell advisory October 27 for CVE-2026-111497, the Node.js Brotli decoder flaw it first flagged October 26 against PIC iX 4.x; the advisory still names no impacted products or fixed version. Philips updated its PHP2Shell advisory October 27 for CVE-2026-109618 and CVE-2026-109619, adding five more affected products including IntelliSpace Portal V12 and Philips Axon to the seven already listed. NorthShore Health Centers disclosed a data breach to patients October 27, one of several Midwest provider notifications issued that week. Denver Health Medical Plan notified more than 238,000 members October 26 about a vendor-related data incident. A proposed class action accuses University Hospitals of negligence after an October 22 cyberattack that took its MyChart portal offline; the Cleveland patient's suit, filed October 28, claims more than a million records were exposed, a number University Hospitals has not confirmed. University of New Mexico Health Sciences Center disclosed a cyberattack October 26 that diverted ambulances for about two hours; the BYOD extortion group claims it compromised 36,000 systems, a figure UNM has not confirmed. Philips updated its Node2Shell advisory October 27 for CVE-2026-111497, the Node.js Brotli decoder flaw it first flagged October 26 against PIC iX 4.x; the advisory still names no impacted products or fixed version. Philips updated its PHP2Shell advisory October 27 for CVE-2026-109618 and CVE-2026-109619, adding five more affected products including IntelliSpace Portal V12 and Philips Axon to the seven already listed. NorthShore Health Centers disclosed a data breach to patients October 27, one of several Midwest provider notifications issued that week. Denver Health Medical Plan notified more than 238,000 members October 26 about a vendor-related data incident.

Vulnerability

Philips flags Capsule Neuron and ICCA in Microsoft Secure Boot certificate notice

MedDevice Cyber Staff · Mar 31 · 2 min read · Via Philips security advisory

Philips published a notice on March 31, 2026 about Microsoft's Secure Boot certificates, listing Philips Capsule Neuron and IntelliSpace Critical Care and Anesthesia (ICCA) as the affected products. Secure Boot is a security feature based on UEFI that ensures only trusted, digitally signed software components are executed during device startup.

The notice says Philips is monitoring developments and names no action yet. Boot chain trust on a clinical host depends on certificates the manufacturer does not control, so the update path for UEFI keys belongs in the product's lifecycle plan.

Are you a representative of Philips? Submit an official response →

Remediation Desk

For ProvidersOperators, hospitals, and clinical engineering

Philips is monitoring the Microsoft Secure Boot certificate changes for Capsule Neuron and ICCA and has not named an action. Operators should not change UEFI settings themselves and should follow Philips service guidance on certificate updates.

Leave UEFI settings alone. Do not disable Secure Boot or update UEFI keys outside Philips guidance.
Track the Philips notice. Watch for Philips instructions on certificate updates for Capsule Neuron and ICCA.
List affected hosts. Record which Capsule Neuron and ICCA hosts run with Secure Boot enabled.

For Device ManufacturersAm I affected, and how to fix the class

Am I affected?

This class applies to devices with the signals and properties below. Check them against your product to gauge exposure. The named product rows list what the sources state about the affected product.

Required

Named operating system

Contributing

Off-the-shelf software

Capsule Neuron

PID-21

Fix the class in your product

The flaw is in the OS inside the controller, or a system past end of service still in the field. As the maker, own the embedded OS and server lifecycle as a safety obligation, design controllers to update in the field, and make every fault degrade to a defined safe state.

Own the OS lifecycle. Patch the OS and server components on a schedule with a tested delivery path.
Design for field update. And for planned replacement, so an unpatchable unit has a path off the network.
Degrade to safe. A fault drives a defined safe state, never an unexpected stop on a life-sustaining device.

Mapped EMB3D mitigations

Questions & Answers

Which Philips products are in the Microsoft Secure Boot certificate advisory?

Philips listed Capsule Neuron and IntelliSpace Critical Care and Anesthesia (ICCA) in its March 31, 2026 notice on Microsoft Secure Boot certificates.

What does Philips say about Secure Boot on ICCA and Capsule Neuron?

Philips says it is monitoring developments on Microsoft's Secure Boot certificates for Capsule Neuron and ICCA; the March 31, 2026 notice names no specific action.

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