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CVE-2026-45498

Microsoft Defender Denial of Service Vulnerability

CVSS 3.1 4.0 MEDIUMCheck source for fixed versionsKEV status unknown
Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-45498

Published

Microsoft Defender Denial of Service Vulnerability

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-45498

Published

Microsoft Defender Denial of Service Vulnerability

Microsoft Defender Denial of Service Vulnerability

Source published
20 May 2026 13:09:12 UTC
Source modified
10 Aug 2026 15:13:18 UTC
Saved here
23 Oct 2026 15:48:27 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 4.0 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

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 15 Nov 19:06 UTC · 254 of 275 readable · 250 fully read · documentation 468/469 current

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