Microsoft Defender Denial of Service Vulnerability

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Microsoft
  • Microsoft Defender

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
References
Link Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45498 cve-icon cve-icon
History

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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-05-20T13:53:34.863Z

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

Link: CVE-2026-45498

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

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

Modified: 2026-05-20T13:57:15.740

Link: CVE-2026-45498

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-20T15:15:06Z