The salient point of this morning's briefing revolves around the critical updates related to cybersecurity vulnerabilities that necessitate immediate attention from emergency managers. Specifically, the recently released CISA's Kev Catalog highlights two newly listed exploited vulnerabilities: Microsoft SharePoint CVE 2263, with a remediation deadline of March 20, and Zimbra Collaboration Suite CVE 22566376, due by April 1. It is imperative that organizations actively monitor these additions, prioritize patch mitigation for Internet-facing collaboration platforms, and validate compensating controls in situations where patching may be delayed. Additionally, we address the security alert issued by the US embassy for Iran, urging organizations with personnel in the region to ensure their communication plans are up-to-date. Lastly, updates from various states include ongoing wildfire responses in Nebraska and a public health advisory regarding a measles outbreak in Nevada, emphasizing the necessity for vaccination and infection control measures.
Takeaways:
On March 18, 2026, CISA released updates regarding newly identified vulnerabilities requiring immediate remediation.
Emergency managers must prioritize patching of collaboration platforms to enhance cybersecurity measures effectively.
Organizations with personnel in Iran should maintain updated communication plans and ensure travel safety measures are in place.
The Nebraska Governor's Office is actively addressing the impacts of wildfires through community engagement and assessments.
A public health advisory in Nevada emphasizes the importance of vigilance regarding measles outbreaks and vaccination efforts.
All other states reported no significant updates, indicating a period of relative stability in emergency management activities.
Emergency managers should ensure IT OT and partner organizations are tracking these additions, prioritizing patch mitigation for any Internet facing collaboration platforms and validating compensating controls where patching is delayed.
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Overseas security state the US embassy issued a security alert for Iran March 18 update.
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Organizations with personnel, contractors or family members in near Iran should ensure contact rosters and communications plans are current and that travelers are enrolled in step where applicable.
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Let's run through the states.
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Nebraska Governor's Office reports continued wildfire impacts and response activity, including an aerial assessment and community engagement tied to the Cottonwood Fire.
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Reported acreage and containment status included in the update.
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Monitor local evacuation guidance, air quality and any resource requests impacting mutual aid and and logistics.
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Nevada Southern Nevada Health district issues a 318 public health advisory on measles outbreak vigilance and vaccination, prioritization, response and sheltering.
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Partners should confirm infection control workflows, screening, masking isolation for symptomatic individuals and ensure vaccine access.
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Messaging is aligned with public health guidance.
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All other states have no significant updates in the last 24 hours.
