MEDIUMCVSS 4.0Actively exploited · CISA KEV since 2026-05-20Vulnerability

CVE-2026-45498

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

Properties

Euvd product
Microsoft Defender Antimalware Platform
Vulnerability name
Microsoft Defender Denial of Service Vulnerability
First seen
2026-08-10T15:13:18+00:00
Cvss score
4
Epss score
0.01267
Last seen
2026-10-19T12:00:27+00:00
Due date
2026-06-03
Euvd assigner
microsoft
Retrieved at
2026-10-21T01:24:49+00:00
Exploited euvd since
2026-05-20T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2026-05-20
Score
4
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Microsoft
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
In Signal since
initial import (Sep 2026)
Euvd base score
4

Related Entities (4)

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CVE-2026-45498 (CVSS 4) — Ninja Signal Threat Intelligence | Ninja Signal