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CVE-2026-71338

Windows Failover Cluster Elevation of Privilege Vulnerability

CVSS 3.1 6.4 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-2026-71338

Published

Double free in Windows Failover Cluster allows an authorized attacker to elevate privileges locally.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-71338

Published

Windows Failover Cluster Elevation of Privilege Vulnerability

Double free in Windows Failover Cluster allows an authorized attacker to elevate privileges locally.

Source published
8 Sep 2026 17:12:28 UTC
Source modified
14 Oct 2026 23:07:36 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 · 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/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 12 Nov 15:26 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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