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High severity8.8NVD Advisory· Published Sep 8, 2026· Updated Sep 8, 2026

CVE-2026-80083

CVE-2026-80083

Description

Untrusted pointer dereference in Windows Hyper-V allows an authorized attacker to execute code locally.

Affected products

1

Microsoft/Windows Hyper-Vllm-fuzzy

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-80083nvd

News mentions

1

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