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

Goal: 1000 CNY · Raised: 1359 CNY

100%

Buy Us a Coffee

CVE-2026-112753— Windows Container Isolation FS Filter Driver (unionfs.sys) Elevation of Privilege Vulnerability

Quick assessment

Affected

Microsoft Windows 11 version 26H1

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.

Windows 容器隔离文件系统筛选驱动程序（unionfs.sys）中存在因使用不兼容类型访问资源（类型混淆）的漏洞，允许已授权的攻击者在本地提升权限。

CVSS 7.0 · High Updated Nov 11, 2026

Affected Version Matrix 1

Vendor	Product	Version Range	Status
Microsoft	Windows 11 version 26H1	`10.0.28000.0< 10.0.28000.3501`	affected

Get alerts for future matching vulnerabilities Log in to subscribe

Vulnerability Information

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

View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 Container Isolation FS Filter Driver (unionfs.sys) Elevation of Privilege Vulnerability

Source: CVE Program / CVE List V5

Vulnerability Description

Access of resource using incompatible type ('type confusion') in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

使用不兼容类型访问资源(类型混淆)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Microsoft	Windows 11 version 26H1	10.0.28000.0 ~ 10.0.28000.3501	-

II. Public POCs for CVE-2026-112753

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-112753

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-112753 (1)

🔗 CVE-2026-112753 - Security Update Guide - Microsoft - Windows Container Isolation FS Filter Driver (unionfs.sys) Elevation of Privilege Vulnerability vendor-advisory patch

https://www.cve.org/CVERecord?id=CVE-2026-112753

Same Patch Batch · Microsoft · 2026-11-10 · 1094 CVEs total

CVE-2026-120002	9.9 CRITICAL	Microsoft SharePoint Server Elevation of Privilege Vulnerability
CVE-2026-109467	9.9 CRITICAL	Azure DevOps Server Remote Code Execution Vulnerability
CVE-2026-88243	9.8 CRITICAL	Windows DHCP Server Remote Code Execution Vulnerability
CVE-2026-88234	9.8 CRITICAL	Windows iSCSI Remote Code Execution Vulnerability
CVE-2026-96067	9.8 CRITICAL	Microsoft Color Management Remote Code Execution Vulnerability
CVE-2026-96157	9.8 CRITICAL	Microsoft Windows Media Foundation Remote Code Execution Vulnerability
CVE-2026-119958	9.8 CRITICAL	Windows LDAP - Lightweight Directory Access Protocol Remote Code Execution Vulnerability
CVE-2026-112967	9.8 CRITICAL	Windows Xbox Live Networking Service Remote Code Execution Vulnerability
CVE-2026-96078	9.8 CRITICAL	Microsoft Color Management Remote Code Execution Vulnerability
CVE-2026-95901	9.8 CRITICAL	Microsoft DirectMusic Remote Code Execution Vulnerability
CVE-2026-95882	9.8 CRITICAL	Microsoft DirectMusic Remote Code Execution Vulnerability
CVE-2026-85844	9.8 CRITICAL	Windows Kerberos Elevation of Privilege Vulnerability
CVE-2026-116928	9.8 CRITICAL	Windows Search Remote Code Execution Vulnerability
CVE-2026-88218	9.8 CRITICAL	Windows DNS Remote Code Execution Vulnerability
CVE-2026-116945	9.8 CRITICAL	Microsoft SQL Server Remote Code Execution Vulnerability
CVE-2026-119990	9.8 CRITICAL	Azure OpenAI Elevation of Privilege Vulnerability
CVE-2026-114160	9.8 CRITICAL	Azure Managed Grafana Elevation of Privilege Vulnerability
CVE-2026-66801	9.8 CRITICAL	Microsoft Xbox Remote Code Execution Vulnerability
CVE-2026-120779	9.6 CRITICAL	Visual Studio Code Remote Code Execution Vulnerability
CVE-2026-114162	9.1 CRITICAL	Microsoft Graph Elevation of Privilege Vulnerability

Showing top 20 of 1094 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Windows 11 version 26H1

Same vendor: Microsoft

Same weakness: CWE-843