CVE-2026-20821 (GCVE-0-2026-20821)

Vulnerability from cvelistv5 – Published: 2026-01-13 17:56 – Updated: 2026-01-13 18:04
VLAI?
Title
Remote Procedure Call Information Disclosure Vulnerability
Summary
Exposure of sensitive information to an unauthorized actor in Windows Remote Procedure Call allows an unauthorized attacker to disclose information locally.
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 1809 Affected: 10.0.17763.0 , < 10.0.17763.8276 (custom)
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    Microsoft Windows Server 2019 Affected: 10.0.17763.0 , < 10.0.17763.8276 (custom)
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    Microsoft Windows Server 2019 (Server Core installation) Affected: 10.0.17763.0 , < 10.0.17763.8276 (custom)
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    Microsoft Windows Server 2022 Affected: 10.0.20348.0 , < 10.0.20348.4648 (custom)
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    Microsoft Windows 10 Version 21H2 Affected: 10.0.19044.0 , < 10.0.19044.6809 (custom)
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    Microsoft Windows 10 Version 22H2 Affected: 10.0.19045.0 , < 10.0.19045.6809 (custom)
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    Microsoft Windows Server 2025 (Server Core installation) Affected: 10.0.26100.0 , < 10.0.26100.32230 (custom)
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    Microsoft Windows 11 Version 25H2 Affected: 10.0.26200.0 , < 10.0.26200.7623 (custom)
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    Microsoft Windows 11 version 22H3 Affected: 10.0.22631.0 , < 10.0.22631.6491 (custom)
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    Microsoft Windows 11 Version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.6491 (custom)
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    Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) Affected: 10.0.25398.0 , < 10.0.25398.2092 (custom)
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    Microsoft Windows 11 Version 24H2 Affected: 10.0.26100.0 , < 10.0.26100.7623 (custom)
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    Microsoft Windows Server 2025 Affected: 10.0.26100.0 , < 10.0.26100.32230 (custom)
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    Microsoft Windows 10 Version 1607 Affected: 10.0.14393.0 , < 10.0.14393.8783 (custom)
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    Microsoft Windows Server 2016 Affected: 10.0.14393.0 , < 10.0.14393.8783 (custom)
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    Microsoft Windows Server 2016 (Server Core installation) Affected: 10.0.14393.0 , < 10.0.14393.8783 (custom)
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    Microsoft Windows Server 2008 Service Pack 2 Affected: 6.0.6003.0 , < 6.0.6003.23717 (custom)
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    Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) Affected: 6.0.6003.0 , < 6.0.6003.23717 (custom)
Create a notification for this product.
    Microsoft Windows Server 2008 R2 Service Pack 1 Affected: 6.1.7601.0 , < 6.1.7601.28117 (custom)
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    Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) Affected: 6.1.7601.0 , < 6.1.7601.28117 (custom)
Create a notification for this product.
    Microsoft Windows Server 2012 Affected: 6.2.9200.0 , < 6.2.9200.25868 (custom)
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    Microsoft Windows Server 2012 (Server Core installation) Affected: 6.2.9200.0 , < 6.2.9200.25868 (custom)
Create a notification for this product.
    Microsoft Windows Server 2012 R2 Affected: 6.3.9600.0 , < 6.3.9600.22968 (custom)
Create a notification for this product.
    Microsoft Windows Server 2012 R2 (Server Core installation) Affected: 6.3.9600.0 , < 6.3.9600.22968 (custom)
Create a notification for this product.
Show details on NVD website

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    "dateReserved": "2025-12-03T05:54:20.374Z",
    "dateUpdated": "2026-01-13T18:04:02.900Z",
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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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