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CVE-2026-20832— Windows Remote Procedure Call Interface Definition Language (IDL) Elevation of Privilege Vulnerability

Quick assessment

Affected

Microsoft Windows 10 Version 1607

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Windows Remote Procedure Call Runtime是美国微软（Microsoft）公司的一种用于创建分布式客户端/服务器程序的强大技术。 Microsoft Windows Remote Procedure Call Runtime存在资源管理错误漏洞。攻击者利用该漏洞可以提升权限。以下产品和版本受到影响：Windows 10 Version 1809 for 32-bit Systems,Windows 10 Version 1809 for x64-base

CVSS 7.8 · High EPSS 0.48% · P39 Updated Jul 31, 2026

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 16

Vendor	Product	Version Range	Status
Microsoft	Windows 10 Version 1607	`10.0.14393.0< 10.0.14393.8783`	affected
Microsoft	Windows 10 Version 1809	`10.0.17763.0< 10.0.17763.8276`	affected
Microsoft	Windows 10 Version 21H2	`10.0.19044.0< 10.0.19044.6809`	affected
Microsoft	Windows 10 Version 22H2	`10.0.19045.0< 10.0.19045.6809`	affected
Microsoft	Windows 11 version 23H2	`10.0.22631.0< 10.0.22631.6491`	affected
Microsoft	Windows 11 Version 23H2	`10.0.22631.0< 10.0.22631.6491`	affected
Microsoft	Windows 11 Version 24H2	`10.0.26100.0< 10.0.26100.7623`	affected
Microsoft	Windows 11 Version 25H2	`10.0.26200.0< 10.0.26200.7623`	affected
Microsoft	Windows Server 2016	`10.0.14393.0< 10.0.14393.8783`	affected
Microsoft	Windows Server 2016 (Server Core installation)	`10.0.14393.0< 10.0.14393.8783`	affected
Microsoft	Windows Server 2019	`10.0.17763.0< 10.0.17763.8276`	affected
Microsoft	Windows Server 2019 (Server Core installation)	`10.0.17763.0< 10.0.17763.8276`	affected
Microsoft	Windows Server 2022	`10.0.20348.0< 10.0.20348.4648`	affected
Microsoft	Windows Server 2022, 23H2 Edition (Server Core installation)	`10.0.25398.0< 10.0.25398.2092`	affected
Microsoft	Windows Server 2025	`10.0.26100.0< 10.0.26100.32230`	affected
Microsoft	Windows Server 2025 (Server Core installation)	`10.0.26100.0< 10.0.26100.32230`	affected

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I. Basic Information for CVE-2026-20832

Vulnerability Information

Have questions about the vulnerability? See if Shenlong's analysis helps!

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title

Windows Remote Procedure Call Interface Definition Language (IDL) Elevation of Privilege Vulnerability

Source: CVE Program / CVE List V5

Vulnerability Description

Windows Remote Procedure Call Interface Definition Language (IDL) Elevation of Privilege Vulnerability

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

双重释放

Source: CVE Program / CVE List V5

Vulnerability Title

Microsoft Windows Remote Procedure Call Runtime 资源管理错误漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE
Microsoft	Windows 10 Version 1607	10.0.14393.0 ~ 10.0.14393.8783	-
Microsoft	Windows 10 Version 1809	10.0.17763.0 ~ 10.0.17763.8276	-
Microsoft	Windows 10 Version 21H2	10.0.19044.0 ~ 10.0.19044.6809	-
Microsoft	Windows 10 Version 22H2	10.0.19045.0 ~ 10.0.19045.6809	-
Microsoft	Windows 11 version 23H2	10.0.22631.0 ~ 10.0.22631.6491	-
Microsoft	Windows 11 Version 23H2	10.0.22631.0 ~ 10.0.22631.6491	-
Microsoft	Windows 11 Version 24H2	10.0.26100.0 ~ 10.0.26100.7623	-
Microsoft	Windows 11 Version 25H2	10.0.26200.0 ~ 10.0.26200.7623	-
Microsoft	Windows Server 2016	10.0.14393.0 ~ 10.0.14393.8783	-
Microsoft	Windows Server 2016 (Server Core installation)	10.0.14393.0 ~ 10.0.14393.8783	-
Microsoft	Windows Server 2019	10.0.17763.0 ~ 10.0.17763.8276	-
Microsoft	Windows Server 2019 (Server Core installation)	10.0.17763.0 ~ 10.0.17763.8276	-
Microsoft	Windows Server 2022	10.0.20348.0 ~ 10.0.20348.4648	-
Microsoft	Windows Server 2022, 23H2 Edition (Server Core installation)	10.0.25398.0 ~ 10.0.25398.2092	-
Microsoft	Windows Server 2025	10.0.26100.0 ~ 10.0.26100.32230	-
Microsoft	Windows Server 2025 (Server Core installation)	10.0.26100.0 ~ 10.0.26100.32230	-

II. Public POCs for CVE-2026-20832

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-20832

请登录查看更多情报信息。

https://www.cve.org/CVERecord?id=CVE-2026-20832

Same Patch Batch · Microsoft · 2026-01-13 · 112 CVEs total

CVE-2026-20963	9.8 CRITICAL	Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2026-20947	8.8 HIGH	Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-20868	8.8 HIGH	Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2026-20952	8.4 HIGH	Microsoft Office Remote Code Execution Vulnerability
CVE-2026-20944	8.4 HIGH	Microsoft Word Remote Code Execution Vulnerability
CVE-2026-20953	8.4 HIGH	Microsoft Office Remote Code Execution Vulnerability
CVE-2026-20856	8.1 HIGH	Windows Server Update Service (WSUS) Remote Code Execution Vulnerability
CVE-2026-20931	8.0 HIGH	Windows Telephony Service Elevation of Privilege Vulnerability
CVE-2026-20860	7.8 HIGH	Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
CVE-2026-20837	7.8 HIGH	Windows Media Remote Code Execution Vulnerability
CVE-2026-21224	7.8 HIGH	Azure Connected Machine Agent Elevation of Privilege Vulnerability
CVE-2026-20840	7.8 HIGH	Windows NTFS Remote Code Execution Vulnerability
CVE-2026-20956	7.8 HIGH	Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-20955	7.8 HIGH	Microsoft Excel Remote Code Execution Vulnerability
CVE-2026-20951	7.8 HIGH	Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-20857	7.8 HIGH	Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
CVE-2026-20858	7.8 HIGH	Windows Management Services Elevation of Privilege Vulnerability
CVE-2026-20938	7.8 HIGH	Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability
CVE-2026-20920	7.8 HIGH	Win32k Elevation of Privilege Vulnerability
CVE-2026-20922	7.8 HIGH	Windows NTFS Remote Code Execution Vulnerability

Showing top 20 of 112 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1607

Same vendor: Microsoft

Same weakness: CWE-415

V. Comments for CVE-2026-20832

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Goal Reached Thanks to every supporter — we hit 100%!

CVE-2026-20832— Windows Remote Procedure Call Interface Definition Language (IDL) Elevation of Privilege Vulnerability

Quick assessment

Possible ATT&CK Techniques 1 AI

Affected Version Matrix 16

I. Basic Information for CVE-2026-20832

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-20832

III. Intelligence Information for CVE-2026-20832

Same Patch Batch · Microsoft · 2026-01-13 · 112 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2026-20832

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