CVE-2026-59135

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

5.5

Vector

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

Exploitability: 1.8 / Impact: 3.6

Source: secure@microsoft.com (Secondary)

Description

Weak authentication in Microsoft Windows Search Component allows an authorized attacker to disclose information locally.

Affected (24)

Products: Microsoft: Windows 10 1607, Windows 10 1809, Windows 10 21h2, Windows 10 22h2, Windows 11 23h2, Windows 11 24h2, Windows 11 25h2, Windows 11 26h1, Windows Server 2012, Windows Server 2016, Windows Server 2019, Windows Server 2022, Windows Server 2025

13 products

Windows 10 1607

Windows 10 1809

Windows 10 21h2

Windows 10 22h2

Windows 11 23h2

Windows 11 24h2

Windows 11 25h2

Windows 11 26h1

Windows Server 2012

Windows Server 2016

Windows Server 2019

Windows Server 2022

Windows Server 2025

Configuration A

24 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10 1607	version < 10.0.14393.9418
Microsoft Windows 10 1607	version < 10.0.14393.9418
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 11 24h2	version < 10.0.26100.9106
Microsoft Windows 11 24h2	version < 10.0.26100.9106
Microsoft Windows 11 25h2	version < 10.0.26200.9106
Microsoft Windows 11 25h2	version < 10.0.26200.9106
Microsoft Windows 11 26h1	version < 10.0.28000.2704
Microsoft Windows 11 26h1	version < 10.0.28000.2704
Microsoft Windows Server 2012	All versions
Microsoft Windows Server 2012	Version r2
Microsoft Windows Server 2016	version < 10.0.14393.9418
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

Weak Authentication

The product uses an authentication mechanism to restrict access to specific users or identities, but the mechanism does not sufficiently prove that the claimed identity is correct.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59135

Source: secure@microsoft.com

PatchVendor Advisory

Timeline

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