CVE-2026-56174

Published: Aug 11, 2026Modified: Aug 16, 2026

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: secure@microsoft.com (Secondary)

Description

Untrusted search path in Windows Narrator Braille allows an authorized attacker to elevate privileges locally.

Affected (13)

Products: Microsoft: Windows 10 1809, Windows 10 21h2, Windows 10 22h2, Windows 11 23h2, Windows Server 2019, Windows Server 2022, Windows Server 2025

7 products

Windows 10 1809

Windows 10 21h2

Windows 10 22h2

Windows 11 23h2

Windows Server 2019

Windows Server 2022

Windows Server 2025

Configuration A

13 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10 1809	Before 10.0.17763.9115
Microsoft Windows 10 1809	Before 10.0.17763.9115
Microsoft Windows 10 21h2	Before 10.0.19044.7663
Microsoft Windows 10 21h2	Before 10.0.19044.7663
Microsoft Windows 10 21h2	Before 10.0.19044.7663
Microsoft Windows 10 22h2	Before 10.0.19045.7663
Microsoft Windows 10 22h2	Before 10.0.19045.7663
Microsoft Windows 10 22h2	Before 10.0.19045.7663
Microsoft Windows 11 23h2	Before 10.0.22631.7517
Microsoft Windows 11 23h2	Before 10.0.22631.7517
Microsoft Windows Server 2019	Before 10.0.17763.9115
Microsoft Windows Server 2022	Before 10.0.20348.5440
Microsoft Windows Server 2025	Before 10.0.26100.33222

Related CWEs

Untrusted Search Path

The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56174

Source: secure@microsoft.com

PatchVendor Advisory

Timeline

No history available yet.