CVE-2026-21519 (GCVE-0-2026-21519)

Vulnerability from cvelistv5 – Published: 2026-02-10 17:51 – Updated: 2026-02-13 20:11
VLAI?
Title
Desktop Window Manager Elevation of Privilege Vulnerability
Summary
Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
CWE
  • CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')
Assigner
References
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 1607 Affected: 10.0.14393.0 , < 10.0.14393.8868 (custom)
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    Microsoft Windows 10 Version 1809 Affected: 10.0.17763.0 , < 10.0.17763.8389 (custom)
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    Microsoft Windows 10 Version 21H2 Affected: 10.0.19044.0 , < 10.0.19044.6937 (custom)
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    Microsoft Windows 10 Version 22H2 Affected: 10.0.19045.0 , < 10.0.19045.6937 (custom)
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    Microsoft Windows 11 version 22H3 Affected: 10.0.22631.0 , < 10.0.22631.6649 (custom)
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    Microsoft Windows 11 Version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.6649 (custom)
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    Microsoft Windows 11 Version 24H2 Affected: 10.0.26100.0 , < 10.0.26100.7840 (custom)
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    Microsoft Windows 11 Version 25H2 Affected: 10.0.26200.0 , < 10.0.26200.7840 (custom)
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    Microsoft Windows 11 version 26H1 Affected: 10.0.28000.0 , < 10.0.28000.1575 (custom)
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    Microsoft Windows 11 Version 26H1 Affected: 10.0.28000.0 , < 10.0.28000.1575 (custom)
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    Microsoft Windows Server 2016 Affected: 10.0.14393.0 , < 10.0.14393.8868 (custom)
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    Microsoft Windows Server 2016 (Server Core installation) Affected: 10.0.14393.0 , < 10.0.14393.8868 (custom)
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    Microsoft Windows Server 2019 Affected: 10.0.17763.0 , < 10.0.17763.8389 (custom)
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    Microsoft Windows Server 2019 (Server Core installation) Affected: 10.0.17763.0 , < 10.0.17763.8389 (custom)
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    Microsoft Windows Server 2022 Affected: 10.0.20348.0 , < 10.0.20348.4773 (custom)
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    Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) Affected: 10.0.25398.0 , < 10.0.25398.2149 (custom)
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    Microsoft Windows Server 2025 Affected: 10.0.26100.0 , < 10.0.26100.32370 (custom)
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    Microsoft Windows Server 2025 (Server Core installation) Affected: 10.0.26100.0 , < 10.0.26100.32370 (custom)
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Show details on NVD website

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    "vulnrichment": {
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      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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Detection rules are retrieved from Rulezet.

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