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High severity7.0NVD Advisory· Published Sep 8, 2026

CVE-2026-72963

CVE-2026-72963

Description

Use after free in Windows Modern Execution Server allows an authorized attacker to elevate privileges locally.

Affected products

1

Microsoft/Windows Modern Execution Serverllm-fuzzy

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72963nvd

News mentions

1

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