high
CISA KEV
CVE-2026-45498
Microsoft Defender Denial of Service Vulnerability
Description
Microsoft Defender contains an unspecified vulnerability that allows for denial of service.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Federal remediation due Jun 3, 2026 — past due
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