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CVE-2026-97789: CWE-416: Use After Free in Microsoft Windows 10 Version 1607

0
High
VulnerabilityCVE-2026-97789cvecve-2026-97789cwe-416
Published: 10/13/2026 (10/13/2026, 19:00:38 UTC)
Source: CVE Database V5
Vendor/Project: Microsoft
Product: Windows 10 Version 1607

Description

CVE-2026-97789 is a use-after-free vulnerability in the Remote Desktop Client component of Microsoft Windows 10 Version 1607 and related builds. This flaw allows an unauthorized attacker to execute code remotely over a network. The vulnerability has a high severity rating with a CVSS score of 7.5. An official fix is available from Microsoft to address this issue.

CVSS v3.1

Score 7.5high

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected software

Microsoft

Windows 10 Version 1607

Affected versions
>=10.0.14393.0 <10.0.14393.9612

Microsoft

Windows 10 Version 1809

Affected versions
>=10.0.17763.0 <10.0.17763.9376

Microsoft

Windows 10 Version 21H2

Affected versions
>=10.0.19044.0 <10.0.19044.7807

Microsoft

Windows 10 Version 22H2

Affected versions
>=10.0.19045.0 <10.0.19044.7807

Microsoft

Windows 11 version 23H2

Affected versions
>=10.0.22631.0 <10.0.22631.7652

Microsoft

Windows 11 Version 23H2

Affected versions
>=10.0.22631.0 <10.0.22631.7652

Microsoft

Windows 11 Version 24H2

Affected versions
>=10.0.26100.0 <10.0.26100.9711

Microsoft

Windows 11 Version 25H2

Affected versions
>=10.0.26200.0 <10.0.26200.9711

Microsoft

Windows 11 version 26H1

Affected versions
>=10.0.28000.0 <10.0.28000.3231

Microsoft

Windows 11 Version 26H2

Affected versions
>=10.0.26300.0 <10.0.26300.9711

Microsoft

Windows Server 2012

Affected versions
>=6.2.9200.0 <6.2.9200.26434

Microsoft

Windows Server 2012 (Server Core installation)

Affected versions
>=6.2.9200.0 <6.2.9200.26434

Microsoft

Windows Server 2012 R2

Affected versions
>=6.3.9600.0 <6.3.9600.23470

Microsoft

Windows Server 2012 R2 (Server Core installation)

Affected versions
>=6.3.9600.0 <6.3.9600.23470

Microsoft

Windows Server 2016

Affected versions
>=10.0.14393.0 <10.0.14393.9612

Microsoft

Windows Server 2016 (Server Core installation)

Affected versions
>=10.0.14393.0 <10.0.14393.9612

Microsoft

Windows Server 2019

Affected versions
>=10.0.17763.0 <10.0.17763.9376

Microsoft

Windows Server 2019 (Server Core installation)

Affected versions
>=10.0.17763.0 <10.0.17763.9376

Microsoft

Windows Server 2022

Affected versions
>=10.0.20348.0 <10.0.20348.5761

Microsoft

Windows Server 2025

Affected versions
>=10.0.26100.0 <10.0.26100.33650

Microsoft

Windows Server 2025 (Server Core installation)

Affected versions
>=10.0.26100.0 <10.0.26100.33650

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/13/2026, 22:49:32 UTC

Technical Analysis

This vulnerability, tracked as CVE-2026-97789, involves a use-after-free condition in the Remote Desktop Client on Microsoft Windows 10 Version 1607 and other specified builds. Exploitation could allow an attacker to execute arbitrary code remotely without privileges, although user interaction is required. The CVSS 3.1 vector indicates network attack vector, high attack complexity, no privileges required, user interaction required, unchanged scope, and high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.

Potential Impact

Successful exploitation of this use-after-free vulnerability can lead to remote code execution by an unauthorized attacker over a network. This could result in full compromise of affected systems, including complete control over confidentiality, integrity, and availability of the system.

Mitigation Recommendations

An official fix is available from Microsoft. Users and administrators should apply the security updates provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97789 to remediate this vulnerability. No additional mitigation steps are indicated beyond applying the official patch.

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Technical Details

Data Version
5.2
Assigner Short Name
microsoft
Date Reserved
2026-09-25T04:32:19.232Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
official-fix
Vendor Advisory Urls
[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97789","vendor":"Microsoft"}]

Threat ID: 6ace85942cdf04f656a018e7

Added to database: 10/13/2026, 19:25:08 UTC

Last enriched: 10/13/2026, 22:49:32 UTC

Last updated: 10/14/2026, 03:28:19 UTC

Views: 2

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