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High severity7.8NVD Advisory· Published Nov 10, 2026· Updated Nov 10, 2026

CVE-2026-118220

CVE-2026-118220

Description

Double free in Windows Multiple Provider Router allows an authorized attacker to elevate privileges locally.

Affected products

1

Microsoft/Windows Multiple Provider Routerllm-create

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118220nvd

News mentions

1

Microsoft November 2026 Patch Tuesday Fixes 1,093 Vulnerabilities, Including Outlook Zero-Day
Cyber Security News · Nov 10, 2026