July 15, 2026
For utility companies, cybersecurity is no longer solely an IT responsibility; it is a governance imperative. As cyber threats targeting critical infrastructure continue to increase, organizations must demonstrate they can identify, assess, prioritize, and remediate vulnerabilities before they become operational risks. Effective vulnerability management, supported by strong internal controls, is essential not only for reducing cyber risk but also for meeting NERC CIP compliance requirements.
Why the NVD Matters
An important source for vulnerability management is the National Vulnerability Database (NVD), the U.S. government repository of standards-based vulnerability management data. The NVD makes published Common Vulnerabilities and Exposures (CVE) records available and enriches covered records with information such as severity metrics, weakness classifications, affected-product mappings, and supporting references. However, tracking CVEs alone is not enough. Utilities must determine which vulnerabilities affect their environments and prioritize those that create the greatest risk to applicable BES Cyber Systems and other critical assets.
The NVD itself has also faced challenges keeping pace with the rapidly growing volume of published CVEs. In 2026, NIST changed its enrichment process to prioritize Known Exploited Vulnerabilities, vulnerabilities affecting software used by the federal government, and vulnerabilities involving designated critical software. Although all published CVEs continue to appear in the NVD, some records may not receive immediate NIST enrichment, including severity metrics and affected-product mappings. Utilities should therefore avoid relying on the NVD as their only source and correlate CVE records with CISA’s KEV Catalog, vendor advisories, asset inventories, and other trusted vulnerability intelligence sources.
Not every CVE results in an applicable security patch, and not every affected asset falls within NERC CIP scope. Effective governance must distinguish between vulnerability intelligence, asset exposure, patch applicability, and the compliance obligations governing applicable BES Cyber Systems.
Understanding the Difference Between CVEs and Known Exploited Vulnerabilities
An equally important resource is the Cybersecurity and Infrastructure Security Agency’s (CISA) Known Exploited Vulnerabilities (KEV) Catalog. Unlike the broader list of CVEs in the NVD, the KEV Catalog identifies vulnerabilities that are actively being exploited in real-world attacks. These vulnerabilities warrant prioritized attention because attackers have already demonstrated their ability to compromise affected systems. For utilities, quickly identifying whether newly published CVEs appear on the KEV list enables security teams to focus remediation efforts where they will have the greatest impact.
Why Patch Management Is Critical for Utility Companies
Patch management remains one of the most effective ways to reduce cyber risk, but utilities face unique operational challenges. Many organizations support a combination of enterprise IT systems, industrial control systems (ICS), SCADA environments, and legacy technologies that cannot always be patched immediately without affecting reliability or availability. This makes risk-based prioritization, documented decision-making, and cross-functional coordination essential components of a successful patch management program.
Internal Controls Drive Effective Vulnerability Management
Strong internal controls provide the governance framework needed to manage this complexity. Automated intake of vulnerability findings, integration with asset inventories, defined workflows for assessing new CVEs, documented approval processes for remediation, and continuous reporting help ensure vulnerabilities are consistently evaluated and addressed. Equally important, these controls create the evidence trail needed to demonstrate compliance during internal reviews and regulatory assessments.
As vulnerability volumes continue to grow, manual processes become increasingly difficult to sustain. Security teams are often forced to reconcile data from multiple tools, spreadsheets, and email threads while attempting to determine ownership, prioritize remediation, and document every decision. These disconnected processes can introduce delays, increase the risk of human error, and make it difficult to demonstrate that patches were evaluated and addressed, or that mitigation plans were established and completed, within applicable policy and regulatory timeframes.
This is where a modern governance platform can provide measurable value. By automating vulnerability intake, routing remediation tasks, managing approvals, and capturing evidence throughout the remediation lifecycle, organizations can establish repeatable, policy-driven processes that improve both efficiency and accountability. Integrating vulnerability data with asset inventories, risk registers, and compliance requirements also provides leadership with a unified view of organizational risk while reducing the administrative burden on security and compliance teams.
Measuring What Matters
One of the greatest risks utilities face is the growing backlog of unreviewed CVEs. Thousands of new vulnerabilities are disclosed each year, and organizations that rely on manual processes can quickly fall behind. A vulnerability that remains unclassified for days, or even weeks, creates unnecessary exposure, particularly if it is later designated as a Known Exploited Vulnerability (KEV). Leading organizations are shifting their focus from simply measuring patch completion to reducing the time required to identify, categorize, and prioritize vulnerabilities. Mature programs seek to triage newly disclosed, high-risk vulnerabilities within hours, particularly KEVs and vulnerabilities affecting exposed or operationally critical assets. This allows teams to determine applicability, assess business and operational impact, initiate remediation, or establish compensating controls before unnecessary exposure accumulates.
These practices can support workflows associated with several NERC CIP standards, including those governing cyber security management, system security management, configuration change management, vulnerability assessments, and supply chain risk management. Regulators expect organizations not only to perform these activities but also to demonstrate that appropriate controls are consistently followed, exceptions are documented, approvals are recorded, and remediation activities are fully traceable.
Building Cyber Resilience Through Proactive Controls
A governance platform helps transform these expectations into sustainable operational processes. Automated workflows, centralized documentation, real-time dashboards, and comprehensive audit trails enable utilities to move beyond reactive compliance toward continuous governance. Instead of assembling evidence shortly before an audit, organizations can maintain audit readiness every day while providing executives with greater visibility into cyber risk and remediation performance.
Ultimately, vulnerability management is not simply about deploying patches. It is about establishing disciplined governance processes that provide visibility, accountability, and timely decision-making. By leveraging the National Vulnerability Database, prioritizing Known Exploited Vulnerabilities, minimizing CVE backlogs, and supporting these activities with automated internal controls, utility companies can strengthen NERC CIP compliance, improve operational resilience, and better protect the critical infrastructure that millions of customers depend on every day.
About the Author
Scott Crow is the Senior Business Systems Strategist – Energy & Utilities at AssurX. Scott has a proven track record of delivering successful IT/OT solutions that solve the challenges of cyber security for Critical Infrastructure. Passionate about bringing better ways of solving business problems through innovation to the marketplace and specializing in the intersection of people, technology and process.
