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	version < 10.0.17763.9115
Microsoft Windows 10 1809	version < 10.0.17763.9115
Microsoft Windows 10 21h2	version < 10.0.19044.7663
Microsoft Windows 10 21h2	version < 10.0.19044.7663
Microsoft Windows 10 21h2	version < 10.0.19044.7663
Microsoft Windows 10 22h2	version < 10.0.19045.7663
Microsoft Windows 10 22h2	version < 10.0.19045.7663
Microsoft Windows 10 22h2	version < 10.0.19045.7663
Microsoft Windows 11 23h2	version < 10.0.22631.7517
Microsoft Windows 11 23h2	version < 10.0.22631.7517
Microsoft Windows Server 2019	version < 10.0.17763.9115
Microsoft Windows Server 2022	version < 10.0.20348.5440
Microsoft Windows Server 2025	version < 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.