CVE-2026-85797

Published: Oct 13, 2026Modified: Oct 16, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information over a network.

Affected (26)

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 11 26h2, Windows Server 2012, Windows Server 2016, Windows Server 2019, Windows Server 2022, Windows Server 2025

14 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 11 26h2

Windows Server 2012

Windows Server 2016

Windows Server 2019

Windows Server 2022

Windows Server 2025

Configuration A

26 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10 1607	version < 10.0.14393.9612
Microsoft Windows 10 1607	version < 10.0.14393.9612
Microsoft Windows 10 1809	version < 10.0.17763.9376
Microsoft Windows 10 1809	version < 10.0.17763.9376
Microsoft Windows 10 21h2	version < 10.0.19044.7807
Microsoft Windows 10 21h2	version < 10.0.19044.7807
Microsoft Windows 10 21h2	version < 10.0.19044.7807
Microsoft Windows 10 22h2	version < 10.0.19045.7807
Microsoft Windows 10 22h2	version < 10.0.19045.7807
Microsoft Windows 10 22h2	version < 10.0.19045.7807
Microsoft Windows 11 23h2	version < 10.0.22631.7652
Microsoft Windows 11 23h2	version < 10.0.22631.7652
Microsoft Windows 11 24h2	version < 10.0.26100.9711
Microsoft Windows 11 24h2	version < 10.0.26100.9711
Microsoft Windows 11 25h2	version < 10.0.26200.9711
Microsoft Windows 11 25h2	version < 10.0.26200.9711
Microsoft Windows 11 26h1	version < 10.0.28000.3231
Microsoft Windows 11 26h1	version < 10.0.28000.3231
Microsoft Windows 11 26h2	version < 10.0.26300.9711
Microsoft Windows 11 26h2	version < 10.0.26300.9711
Microsoft Windows Server 2012	All versions
Microsoft Windows Server 2012	Version r2
Microsoft Windows Server 2016	version < 10.0.14393.9612
Microsoft Windows Server 2019	version < 10.0.17763.9376
Microsoft Windows Server 2022	version < 10.0.20348.5761
Microsoft Windows Server 2025	version < 10.0.26100.33650

Related CWEs

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85797

Source: secure@microsoft.com

Vendor AdvisoryPatch

Timeline

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