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

Goal: 1000 CNY · Raised: 1000 CNY

100.0%
Buy Us a Coffee

CVE-2026-27927— Windows Projected File System Elevation of Privilege Vulnerability

CVSS 7.8 · High EPSS 0.04% · P12
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2026-27927

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 Projected File System Elevation of Privilege Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Projected File System allows an authorized attacker to elevate privileges locally.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Projected File System 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Projected File System是美国微软（Microsoft）公司的一个应用系统。将层次结构数据投影到文件系统中，使其在文件系统中显示为文件和目录。 Microsoft Projected File System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 21H2 for x64-based Systems,Windows 10 Version 22H2 for x64-based Systems,Win
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

VendorProductAffected VersionsCPESubscribe
MicrosoftWindows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.8644 -
MicrosoftWindows 10 Version 21H2 10.0.19044.0 ~ 10.0.19044.7184 -
MicrosoftWindows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.7184 -
MicrosoftWindows 11 version 22H3 10.0.22631.0 ~ 10.0.22631.6936 -
MicrosoftWindows 11 Version 23H2 10.0.22631.0 ~ 10.0.22631.6936 -
MicrosoftWindows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.8246 -
MicrosoftWindows 11 Version 25H2 10.0.26200.0 ~ 10.0.26200.8246 -
MicrosoftWindows 11 version 26H1 10.0.28000.0 ~ 10.0.28000.1836 -
MicrosoftWindows Server 2019 10.0.17763.0 ~ 10.0.17763.8644 -
MicrosoftWindows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.8644 -
MicrosoftWindows Server 2022 10.0.20348.0 ~ 10.0.20348.5020 -
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 ~ 10.0.25398.2274 -
MicrosoftWindows Server 2025 10.0.26100.0 ~ 10.0.26100.32690 -
MicrosoftWindows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.32690 -

II. Public POCs for CVE-2026-27927

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-27927

请登录查看更多情报信息。

Same Patch Batch · Microsoft · 2026-04-14 · 163 CVEs total

CVE-2026-338249.8 CRITICALWindows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability
CVE-2026-261499.0 CRITICALMicrosoft Power Apps Desktop Client Spoofing Vulnerability
CVE-2026-331208.8 HIGHMicrosoft SQL Server Remote Code Execution Vulnerability
CVE-2026-261678.8 HIGHWindows Push Notifications Elevation of Privilege Vulnerability
CVE-2026-261788.8 HIGHWindows Advanced Rasterization Platform Elevation of Privilege Vulnerability
CVE-2026-321718.8 HIGHAzure Logic Apps Elevation of Privilege Vulnerability
CVE-2026-322258.8 HIGHWindows Shell Security Feature Bypass Vulnerability
CVE-2026-321578.8 HIGHRemote Desktop Client Remote Code Execution Vulnerability
CVE-2026-279288.7 HIGHWindows Hello Security Feature Bypass Vulnerability
CVE-2026-322218.4 HIGHWindows Graphics Component Remote Code Execution Vulnerability
CVE-2026-320918.4 HIGHMicrosoft Brokering File System Elevation of Privilege Vulnerability
CVE-2026-321628.4 HIGHWindows COM Elevation of Privilege Vulnerability
CVE-2026-321908.4 HIGHMicrosoft Office Remote Code Execution Vulnerability
CVE-2026-331158.4 HIGHMicrosoft Word Remote Code Execution Vulnerability
CVE-2026-331148.4 HIGHMicrosoft Word Remote Code Execution Vulnerability
CVE-2026-338278.1 HIGHWindows TCP/IP Remote Code Execution Vulnerability
CVE-2026-279128.0 HIGHWindows Kerberos Elevation of Privilege Vulnerability
CVE-2026-338268.0 HIGHWindows Active Directory Remote Code Execution Vulnerability
CVE-2026-279077.8 HIGHWindows Storage Spaces Controller Elevation of Privilege Vulnerability
CVE-2026-330957.8 HIGHMicrosoft Word Remote Code Execution Vulnerability

Showing top 20 of 163 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1809
Same vendor: Microsoft
Same weakness: CWE-362

V. Comments for CVE-2026-27927

No comments yet

Leave a comment