← All advisories

High severity7.8NVD Advisory· Published Aug 11, 2026· Updated Aug 11, 2026

CVE-2026-70346

CVE-2026-70346

Description

Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.

Affected products

1

Microsoft/Windows Installerllm-fuzzy

Patches

Vulnerability mechanics

References

1

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70346nvd

News mentions

1

Microsoft Patch Tuesday Update August 2026 – 394 Vulnerabilities Fixed, Including 3 Zero-Days
Cyber Security News · Aug 11, 2026