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Medium severity6.4NVD Advisory· Published Sep 8, 2026

CVE-2026-71338

CVE-2026-71338

Description

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

Affected products

1

Microsoft/Windows Failover Clusterllm-fuzzy

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-71338nvd

News mentions

1

Massive Microsoft Patch Tuesday September 2026 – 973 Vulnerabilities Fixed, Including 2 Zero-Days
Cyber Security News · Sep 8, 2026