7.8

CVE-2026-21519

Warnung
Medienbericht

Desktop Window Manager Elevation of Privilege Vulnerability

Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Windows 10 1607 HwPlatform x64 Version < 10.0.14393.8868
Microsoft ≫ Windows 10 1607 HwPlatform x86 Version < 10.0.14393.8868
Microsoft ≫ Windows 10 1809 HwPlatform x64 Version < 10.0.17763.8389
Microsoft ≫ Windows 10 1809 HwPlatform x86 Version < 10.0.17763.8389
Microsoft ≫ Windows 10 21h2 HwPlatform arm64 Version < 10.0.19044.6937
Microsoft ≫ Windows 10 21h2 HwPlatform x64 Version < 10.0.19044.6937
Microsoft ≫ Windows 10 21h2 HwPlatform x86 Version < 10.0.19044.6937
Microsoft ≫ Windows 10 22h2 HwPlatform arm64 Version < 10.0.19045.6937
Microsoft ≫ Windows 10 22h2 HwPlatform x64 Version < 10.0.19045.6937
Microsoft ≫ Windows 10 22h2 HwPlatform x86 Version < 10.0.19045.6937
Microsoft ≫ Windows 11 23h2 HwPlatform arm64 Version < 10.0.22631.6649
Microsoft ≫ Windows 11 23h2 HwPlatform x64 Version < 10.0.22631.6649
Microsoft ≫ Windows 11 24h2 HwPlatform arm64 Version < 10.0.26100.7781
Microsoft ≫ Windows 11 24h2 HwPlatform x64 Version < 10.0.26100.7781
Microsoft ≫ Windows 11 25h2 HwPlatform arm64 Version < 10.0.26200.7781
Microsoft ≫ Windows 11 25h2 HwPlatform x64 Version < 10.0.26200.7781
Microsoft ≫ Windows Server 2016 Version < 10.0.14393.8868
Microsoft ≫ Windows Server 2019 Version < 10.0.17763.8389
Microsoft ≫ Windows Server 2022 Version < 10.0.20348.4711
Microsoft ≫ Windows Server 2022 23h2 Version < 10.0.25398.2149
Microsoft ≫ Windows Server 2025 Version < 10.0.26100.32313
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10.02.2026: CISA Known Exploited Vulnerabilities (KEV) Catalog

Microsoft Windows Type Confusion Vulnerability

Schwachstelle

Microsoft Desktop Windows Manager contains a type confusion vulnerability that could allow an authorized attacker to elevate privileges locally.

Beschreibung

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.42% 0.82
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
Microsoft 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')

The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

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https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21519
Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21519
US Government Resource