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EPSS 0.3%top 78%

CVE-2026-26161: CWE-822: Untrusted Pointer Dereference in Microsoft Windows 10 Version 1809

0
High
VulnerabilityCVE-2026-26161cvecve-2026-26161cwe-822cwe-20
Published: 04/14/2026 (04/14/2026, 16:57:01 UTC)
Source: CVE Database V5
Vendor/Project: Microsoft
Product: Windows 10 Version 1809

Description

Untrusted pointer dereference in Windows Sensor Data Service allows an authorized attacker to elevate privileges locally.

CVSS v3.1

Score 7.8high

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

Affected software

Microsoft

Windows 10 Version 1809

Affected versions
>=10.0.17763.0 <10.0.17763.8644

Microsoft

Windows 10 Version 21H2

Affected versions
>=10.0.19044.0 <10.0.19044.7184

Microsoft

Windows 10 Version 22H2

Affected versions
>=10.0.19045.0 <10.0.19045.7184

Microsoft

Windows 11 version 22H3

Affected versions
>=10.0.22631.0 <10.0.22631.6936

Microsoft

Windows 11 Version 23H2

Affected versions
>=10.0.22631.0 <10.0.22631.6936

Microsoft

Windows 11 Version 24H2

Affected versions
>=10.0.26100.0 <10.0.26100.8246

Microsoft

Windows 11 Version 25H2

Affected versions
>=10.0.26200.0 <10.0.26200.8246

Microsoft

Windows 11 version 26H1

Affected versions
>=10.0.28000.0 <10.0.28000.1836

Microsoft

Windows Server 2019

Affected versions
>=10.0.17763.0 <10.0.17763.8644

Microsoft

Windows Server 2019 (Server Core installation)

Affected versions
>=10.0.17763.0 <10.0.17763.8644

Microsoft

Windows Server 2022

Affected versions
>=10.0.20348.0 <10.0.20348.5020

Microsoft

Windows Server 2022, 23H2 Edition (Server Core installation)

Affected versions
>=10.0.25398.0 <10.0.25398.2274

Microsoft

Windows Server 2025

Affected versions
>=10.0.26100.0 <10.0.26100.32690

Microsoft

Windows Server 2025 (Server Core installation)

Affected versions
>=10.0.26100.0 <10.0.26100.32690

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/15/2026, 13:55:16 UTC

Technical Analysis

This vulnerability (CVE-2026-26161) is caused by an untrusted pointer dereference in the Windows Sensor Data Service component of Windows 10 Version 1809. It enables an attacker with local authorized access to escalate privileges, potentially gaining higher system rights. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.

Potential Impact

An authorized local attacker can exploit this vulnerability to elevate privileges, potentially gaining administrative control or executing code with higher privileges. This can lead to full system compromise, affecting confidentiality, integrity, and availability of the system.

Mitigation Recommendations

An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26161 to remediate this vulnerability.

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Technical Details

Data Version
5.2
Assigner Short Name
microsoft
Date Reserved
2026-02-11T18:33:57.775Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
official-fix
Vendor Advisory Urls
[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26161","vendor":"Microsoft"}]

Threat ID: 69de7a1882d89c981fd6a674

Added to database: 04/14/2026, 17:32:08 UTC

Last enriched: 08/15/2026, 13:55:16 UTC

Last updated: 09/14/2026, 10:01:30 UTC

Views: 136

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