Description
Microsoft Defender Denial of Service Vulnerability
Published: 2026-05-20
Score: 4 Medium
EPSS: 63.1% High
KEV: Yes
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

No advisories yet.

History

Tue, 26 May 2026 20:15:00 +0000

Type Values Removed Values Added
Weaknesses NVD-CWE-noinfo

Thu, 21 May 2026 08:30:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft windows Defender Antimalware Platform
Vendors & Products Microsoft windows Defender Antimalware Platform

Wed, 20 May 2026 19:15:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft defender Antimalware Platform
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:microsoft:defender_antimalware_platform:*:*:*:*:*:*:*:*
Vendors & Products Microsoft defender Antimalware Platform

Wed, 20 May 2026 18:30:00 +0000

Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 20 May 2026 17:45:00 +0000

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2026-05-20T00:00:00+00:00', 'dueDate': '2026-06-03T00:00:00+00:00'}


Wed, 20 May 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-400

Wed, 20 May 2026 13:15:00 +0000

Type Values Removed Values Added
Description Microsoft Defender Denial of Service Vulnerability
Title Microsoft Defender Denial of Service Vulnerability
First Time appeared Microsoft
Microsoft microsoft Defender
CPEs cpe:2.3:a:microsoft:microsoft_defender:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft microsoft Defender
References
Metrics cvssV3_1

{'score': 4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C'}


Subscriptions

Microsoft Defender Antimalware Platform Microsoft Defender Windows Defender Antimalware Platform
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-06-19T16:12:40.778Z

Reserved: 2026-05-12T16:07:22.619Z

Link: CVE-2026-45498

cve-icon Vulnrichment

Updated: 2026-05-20T17:11:16.642Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-20T13:16:36.780

Modified: 2026-06-17T10:52:09.627

Link: CVE-2026-45498

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-24T12:30:16Z

Weaknesses