Detections
Analytics

CVE-2026-45498

high

Description

Microsoft Defender Denial of Service Vulnerability

References

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-45498

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45498

Details

Source: Mitre, NVD

Published: 2026-05-20

Updated: 2026-05-20

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High