CVE-2026-68819

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

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

Buffer over-read in Windows Network File System allows an unauthorized attacker to deny service over a network.

Affected (10)

Products: Microsoft: Windows 10 1607, Windows 10 1809, Windows Server 2012, Windows Server 2016, Windows Server 2019, Windows Server 2022, Windows Server 2025

7 products

Windows 10 1607

Windows 10 1809

Windows Server 2012

Windows Server 2016

Windows Server 2019

Windows Server 2022

Windows Server 2025

Configuration A

10 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10 1607	Before 10.0.14393.9418
Microsoft Windows 10 1607	Before 10.0.14393.9418
Microsoft Windows 10 1809	Before 10.0.17763.9115
Microsoft Windows 10 1809	Before 10.0.17763.9115
Microsoft Windows Server 2012	All versions
Microsoft Windows Server 2012	Version r2
Microsoft Windows Server 2016	Before 10.0.14393.9418
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

Buffer Over-read

The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-68819

Source: secure@microsoft.com

PatchVendor Advisory

Timeline

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