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CISA KEV: Microsoft Defender — Microsoft Defender Denial of Service Vulnerability

·Source: CISA KEV

Updated:

Executive Summary

Microsoft Defender contains an unspecified vulnerability that allows for denial of service.

Analysis

Microsoft Defender contains an unspecified vulnerability that allows for denial of service. Added to CISA Known Exploited Vulnerabilities catalog on 2026-05-20. Remediation due: 2026-06-03.

Indicators of Compromise (1)

CVE (1)
CVE-2026-45498
NVDMITRE CVE
Source Attribution

Originally published by CISA KEV on May 20, 2026. Verified by: CISA.

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