CVE-2026-72936— Windows SMB Client Remote Code Execution Vulnerability
Quick assessment
Affected
Microsoft Windows 11 version 23H2
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 SMB Client是美国Microsoft公司的一款支持SMB协议的客户端组件。 Microsoft Windows SMB Client存在资源管理错误漏洞，该漏洞源于Windows SMB Client中的释放后重用，可能导致未经授权的攻击者通过网络执行代码。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1210 · Exploitation of Remote ServicesAffected Version Matrix 8
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Windows 11 version 23H2 | 10.0.22631.0< 10.0.22631.7582 |
affected |
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0< 10.0.22631.7582 |
affected |
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0< 10.0.26100.9445 |
affected |
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0< 10.0.26200.9445 |
affected |
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0< 10.0.28000.2954 |
affected |
| Microsoft | Windows Server 2022 | 10.0.20348.0< 10.0.20348.5622 |
affected |
| Microsoft | Windows Server 2025 | 10.0.26100.0< 10.0.26100.33438 |
affected |
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0< 10.0.26100.33438 |
affected |
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-72936
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 SMB Client Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Use after free in Windows SMB Client allows an unauthorized attacker to execute code over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows SMB Client 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows SMB Client是美国Microsoft公司的一款支持SMB协议的客户端组件。 Microsoft Windows SMB Client存在资源管理错误漏洞，该漏洞源于Windows SMB Client中的释放后重用，可能导致未经授权的攻击者通过网络执行代码。
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 | Subscribe |
|---|---|---|---|---|
| Microsoft | Windows 11 version 23H2 | 10.0.22631.0 ~ 10.0.22631.7582 | - |
|
| Microsoft | Windows 11 Version 23H2 | 10.0.22631.0 ~ 10.0.22631.7582 | - |
|
| Microsoft | Windows 11 Version 24H2 | 10.0.26100.0 ~ 10.0.26100.9445 | - |
|
| Microsoft | Windows 11 Version 25H2 | 10.0.26200.0 ~ 10.0.26200.9445 | - |
|
| Microsoft | Windows 11 version 26H1 | 10.0.28000.0 ~ 10.0.28000.2954 | - |
|
| Microsoft | Windows Server 2022 | 10.0.20348.0 ~ 10.0.20348.5622 | - |
|
| Microsoft | Windows Server 2025 | 10.0.26100.0 ~ 10.0.26100.33438 | - |
|
| Microsoft | Windows Server 2025 (Server Core installation) | 10.0.26100.0 ~ 10.0.26100.33438 | - |
|
II. Public POCs for CVE-2026-72936
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-72936
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-72936 (1)
Same Patch Batch · Microsoft · 2026-09-08 · 966 CVEs total
| CVE-2026-83941 | 9.9 CRITICAL | Entra ID Elevation of Privilege Vulnerability |
| CVE-2026-69819 | 9.8 CRITICAL | RPC Runtime Library Remote Code Execution Vulnerability |
| CVE-2026-78509 | 9.8 CRITICAL | Microsoft Office Outlook Remote Code Execution Vulnerability |
| CVE-2026-72979 | 9.8 CRITICAL | Windows DHCP Server Remote Code Execution Vulnerability |
| CVE-2026-69496 | 9.8 CRITICAL | Windows Compressed Folder Remote Code Execution Vulnerability |
| CVE-2026-69431 | 9.8 CRITICAL | Telnet Client Remote Code Execution Vulnerability |
| CVE-2026-69491 | 9.8 CRITICAL | Microsoft DirectMusic Remote Code Execution Vulnerability |
| CVE-2026-69768 | 9.8 CRITICAL | Windows RNDIS Remote Code Execution Vulnerability |
| CVE-2026-68839 | 9.8 CRITICAL | Windows USB Mass Storage Class Driver Remote Code Execution Vulnerability |
| CVE-2026-69590 | 9.8 CRITICAL | Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability |
| CVE-2026-67643 | 9.8 CRITICAL | Microsoft SQL Server Remote Code Execution Vulnerability |
| CVE-2026-69715 | 9.8 CRITICAL | Windows Direct Show Remote Code Execution Vulnerability |
| CVE-2026-69586 | 9.8 CRITICAL | Microsoft Windows PDF Remote Code Execution Vulnerability |
| CVE-2026-78510 | 9.8 CRITICAL | Microsoft Word Remote Code Execution Vulnerability |
| CVE-2026-67631 | 9.8 CRITICAL | Microsoft SQL Server Remote Code Execution Vulnerability |
| CVE-2026-69525 | 9.8 CRITICAL | Remote Desktop Services Remote Code Execution Vulnerability |
| CVE-2026-73009 | 9.8 CRITICAL | Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability |
| CVE-2026-69463 | 9.8 CRITICAL | Windows NTFS Remote Code Execution Vulnerability |
| CVE-2026-70296 | 9.8 CRITICAL | Windows Imaging Component Remote Code Execution Vulnerability |
| CVE-2026-73025 | 9.8 CRITICAL | Windows iSCSI Security Feature Bypass Vulnerability |
Showing top 20 of 966 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Windows 11 version 23H2
-
CVE-2026-83498
Windows Virtualization-Based Security (VBS) Enclave Elevatio -
CVE-2026-83501
Windows Virtualization-Based Security (VBS) Information Disc -
CVE-2026-83990
Microsoft Graphics Component Elevation of Privilege Vulnerab -
CVE-2026-81963
Windows Update Stack Elevation of Privilege Vulnerability -
CVE-2026-69392
Windows Shell Elevation of Privilege Vulnerability
Same vendor: Microsoft
-
CVE-2026-88097
Microsoft Edge (Chromium-based) Elevation of Privilege Vulne -
CVE-2026-85887
M365 Copilot Information Disclosure Vulnerability -
CVE-2026-83946
Azure Portal Spoofing Vulnerability -
CVE-2026-85878
Azure Database for PostgreSQL Elevation of Privilege Vulnera -
CVE-2026-69843
Microsoft Fabric Elevation of Privilege Vulnerability
Same weakness: CWE-416
-
CVE-2026-94084
Suricata 8.0.7前Http2ThreadMultiBuf释放后使用漏洞 -
CVE-2026-94055
Exim 4.100.1前GnuTLS配置下存在UAF漏洞 -
CVE-2026-88097
Microsoft Edge (Chromium-based) Elevation of Privilege Vulne -
CVE-2026-93586
ImageMagick before 7.1.2-31 Use After Free via ImagesToBlob -
CVE-2026-93382
Chrome前153.0.8010.52 PDFium释放后使用
V. Comments for CVE-2026-72936
No comments yet