Microsoft Windows 11 Version 26h2 X64 Based Systems
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By the Year
In 2026 there have been 152 vulnerabilities in Microsoft Windows 11 Version 26h2 X64 Based Systems with an average score of 7.1 out of ten.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 152 | 7.11 |
It may take a day or so for new Windows 11 Version 26h2 X64 Based Systems vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Microsoft Windows 11 Version 26h2 X64 Based Systems Security Vulnerabilities
Nov 2026: Windows SMB Remote Code Execution Vulnerability
CVE-2026-122176
8.8 - High
- November 10, 2026
Heap-based buffer overflow in Windows SMB allows an authorized attacker to execute code over a network.
Heap-based Buffer Overflow
Nov 2026: Windows IKE Extension Spoofing Vulnerability
CVE-2026-122169
7.5 - High
- November 10, 2026
Insufficient granularity of access control in Windows IKE Extension allows an authorized attacker to perform spoofing locally.
Insufficient Granularity of Access Control
Nov 2026: Windows Filter Manager Elevation of Privilege Vulnerability
CVE-2026-121673
7.8 - High
- November 10, 2026
Use after free in Windows Filter Manager allows an authorized attacker to elevate privileges locally.
Dangling pointer
Nov 2026: Windows SMB Remote Code Execution Vulnerability
CVE-2026-119988
7.1 - High
- November 10, 2026
Numeric truncation error in Windows SMB allows an authorized attacker to execute code over a network.
Numeric Truncation Error
Nov 2026: Windows DNS Elevation of Privilege Vulnerability
CVE-2026-119953
7.8 - High
- November 10, 2026
Use after free in Windows DNS allows an authorized attacker to elevate privileges locally.
Dangling pointer
Nov 2026: Windows Active Directory Remote Code Execution Vulnerability
CVE-2026-119948
7.5 - High
- November 10, 2026
Stack-based buffer overflow in Windows Active Directory allows an authorized attacker to execute code over a network.
Stack Overflow
Nov 2026: Remote Desktop Client Remote Code Execution Vulnerability
CVE-2026-119934
8.8 - High
- November 10, 2026
Double free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
Double-free
Nov 2026: Windows Remote Desktop Denial of Service Vulnerability
CVE-2026-119932
7.5 - High
- November 10, 2026
Null pointer dereference in Windows Remote Desktop allows an unauthorized attacker to deny service over a network.
NULL Pointer Dereference
Nov 2026: Windows Setup and Deployment Elevation of Privilege Vulnerability
CVE-2026-119914
6.7 - Medium
- November 10, 2026
Improper restriction of communication channel to intended endpoints in Windows Setup and Deployment allows an authorized attacker to elevate privileges locally.
Improper Restriction of Communication Channel to Intended Endpoints
Nov 2026: Windows Kernel Elevation of Privilege Vulnerability
CVE-2026-119884
6.8 - Medium
- November 10, 2026
Heap-based buffer overflow in Windows Kernel allows an unauthorized attacker to elevate privileges with a physical attack.
Heap-based Buffer Overflow
Nov 2026: Windows Remote Desktop Services Information Disclosure Vulnerability
CVE-2026-119882
5.3 - Medium
- November 10, 2026
Exposure of sensitive system information to an unauthorized control sphere in Windows Remote Desktop Services allows an authorized attacker to disclose information over a network.
Exposure of Sensitive System Information to an Unauthorized Control Sphere
Nov 2026: Windows NetBIOS Elevation of Privilege Vulnerability
CVE-2026-119873
7 - High
- November 10, 2026
Use after free in Windows NetBIOS allows an authorized attacker to elevate privileges locally.
Dangling pointer
Nov 2026: Windows IP Translation Configuration Service Elevation of Privilege Vulnerability
CVE-2026-119871
6.4 - Medium
- November 10, 2026
Use after free in Windows IP Translation Configuration Service allows an authorized attacker to elevate privileges locally.
Dangling pointer
Nov 2026: Windows SMB Client Elevation of Privilege Vulnerability
CVE-2026-119870
7 - High
- November 10, 2026
Untrusted pointer dereference in Windows SMB Client allows an authorized attacker to elevate privileges locally.
Untrusted Pointer Dereference
Nov 2026: Windows Installer Elevation of Privilege Vulnerability
CVE-2026-119865
7 - High
- November 10, 2026
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Installer allows an authorized attacker to elevate privileges locally.
Race Condition
Nov 2026: Remote Desktop Client Remote Code Execution Vulnerability
CVE-2026-119858
7.5 - High
- November 10, 2026
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
Heap-based Buffer Overflow
Nov 2026: Windows COM+ Event System Service Information Disclosure Vulnerability
CVE-2026-119855
5.5 - Medium
- November 10, 2026
Buffer over-read in Windows COM+ Event System Service allows an authorized attacker to disclose information locally.
Buffer Over-read
Nov 2026: Windows Message Queuing Denial of Service Vulnerability
CVE-2026-119848
5.3 - Medium
- November 10, 2026
Improper input validation in Windows Message Queuing allows an authorized attacker to deny service over a network.
NULL Pointer Dereference
Nov 2026: Windows Installer Elevation of Privilege Vulnerability
CVE-2026-119831
7 - High
- November 10, 2026
Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
Heap-based Buffer Overflow
Nov 2026: HID Parser Library Elevation of Privilege Vulnerability
CVE-2026-125135
6.8 - Medium
- November 10, 2026
Out-of-bounds read in HID Parser Library allows an unauthorized attacker to elevate privileges with a physical attack.
Out-of-bounds Read
Nov 2026: Microsoft PowerShell Security Feature Bypass Vulnerability
CVE-2026-124226
8.8 - High
- November 10, 2026
Execution with unnecessary privileges in Windows PowerShell allows an authorized attacker to bypass a security feature locally.
Execution with Unnecessary Privileges
Nov 2026: PowerShell Elevation of Privilege Vulnerability
CVE-2026-124224
7 - High
- November 10, 2026
Improper link resolution before file access ('link following') in Windows PowerShell allows an authorized attacker to elevate privileges locally.
insecure temporary file
Nov 2026: Active Directory Domain Services Elevation of Privilege Vulnerability
CVE-2026-123387
8 - High
- November 10, 2026
Improper neutralization of special elements used in a command ('command injection') in Windows Active Directory allows an authorized attacker to elevate privileges over a network.
Command Injection
Nov 2026: Windows Active Directory Domain Services Remote Code Execution Vulnerability
CVE-2026-118146
8.8 - High
- November 10, 2026
Incorrect authorization in Active Directory Domain Services allows an authorized attacker to execute code over a network.
AuthZ
Nov 2026: Windows Function Discovery SSDP Provider Remote Code Execution Vulnerability
CVE-2026-118145
7.5 - High
- November 10, 2026
Use after free in Windows Function Discovery SSDP Provider allows an unauthorized attacker to execute code over an adjacent network.
Dangling pointer
Nov 2026: Windows Link Layer Topology Discovery Protocol Elevation of Privilege Vulnerability
CVE-2026-116707
7 - High
- November 10, 2026
Use after free in Windows Link Layer Topology Discovery Protocol allows an authorized attacker to elevate privileges locally.
Dangling pointer
Nov 2026: Windows Link Layer Topology Discovery Protocol Remote Code Execution Vulnerability
CVE-2026-116706
7.5 - High
- November 10, 2026
Use after free in Windows Link Layer Topology Discovery Protocol allows an unauthorized attacker to execute code over an adjacent network.
Dangling pointer
Nov 2026: Windows CD-ROM Driver Remote Code Execution Vulnerability
CVE-2026-108404
6.8 - Medium
- November 10, 2026
Heap-based buffer overflow in Windows CD-ROM Driver allows an unauthorized attacker to execute code with a physical attack.
Heap-based Buffer Overflow
Nov 2026: Windows CNG Key Isolation Service Elevation of Privilege Vulnerability
CVE-2026-103571
7 - High
- November 10, 2026
An elevation of privilege vulnerability exists when the Windows Cryptography Next Generation (CNG) Key Isolation service improperly handles memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context. To exploit this vulnerability, an attacker would first have to gain execution on the victim system. An attacker could then run a specially crafted application to elevate privileges. The security update addresses the vulnerability by correcting how the Windows CNG Key Isolation Service handles memory.
Double-free
Nov 2026: Windows Management Instrumentation Remote Code Execution Vulnerability
CVE-2026-105580
7.8 - High
- November 10, 2026
Heap-based buffer overflow in Windows Management Instrumentation allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Nov 2026: Windows Filtering Platform (WFP) Elevation of Privilege Vulnerability
CVE-2026-105553
7 - High
- November 10, 2026
Stack-based buffer overflow in Windows Filtering Platform (WFP) allows an authorized attacker to elevate privileges locally.
Stack Overflow
Nov 2026: Windows Installer Elevation of Privilege Vulnerability
CVE-2026-105545
7 - High
- November 10, 2026
An elevation of privilege vulnerability exists in the Windows Installer when the Windows Installer fails to properly sanitize input leading to an insecure library loading behavior. A locally authenticated attacker could run arbitrary code with elevated system privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. The security update addresses the vulnerability by correcting the input sanitization error to preclude unintended elevation.
Double-free
Nov 2026: Windows Print Spooler Components Information Disclosure Vulnerability
CVE-2026-105531
5.5 - Medium
- November 10, 2026
External control of file name or path in Windows Print Spooler Components allows an authorized attacker to disclose information locally.
External Control of File Name or Path
Nov 2026: Desktop Window Manager Elevation of Privilege Vulnerability
CVE-2026-105528
7.8 - High
- November 10, 2026
Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
Heap-based Buffer Overflow
Nov 2026: Microsoft Remote Registry Service Denial of Service Vulnerability
CVE-2026-105492
5.3 - Medium
- November 10, 2026
Out-of-bounds read in Microsoft Remote Registry Service allows an authorized attacker to deny service over a network.
Out-of-bounds Read
Nov 2026: Windows Network Connection Broker Elevation of Privilege Vulnerability
CVE-2026-108406
7 - High
- November 10, 2026
Use after free in Windows Network Connection Broker allows an authorized attacker to elevate privileges locally.
Dangling pointer
Nov 2026: Windows Hyper-V Elevation of Privilege Vulnerability
CVE-2026-113864
6.4 - Medium
- November 10, 2026
Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
Dangling pointer
Nov 2026: Windows TCP/IP Remote Code Execution Vulnerability
CVE-2026-113859
7.5 - High
- November 10, 2026
Use after free in Windows TCP/IP allows an unauthorized attacker to execute code over an adjacent network.
Dangling pointer
Nov 2026: Windows Installer Elevation of Privilege Vulnerability
CVE-2026-113847
7.8 - High
- November 10, 2026
Integer overflow or wraparound in Windows Installer allows an authorized attacker to elevate privileges locally.
Integer Overflow or Wraparound
Nov 2026: Windows Devices Human Interface Elevation of Privilege Vulnerability
CVE-2026-113817
6.6 - Medium
- November 10, 2026
Heap-based buffer overflow in Windows Devices Human Interface allows an authorized attacker to elevate privileges with a physical attack.
Heap-based Buffer Overflow
Nov 2026: Microsoft PowerShell Security Feature Bypass Vulnerability
CVE-2026-113815
4.7 - Medium
- November 10, 2026
Improper control of generation of code ('code injection') in Windows PowerShell allows an authorized attacker to bypass a security feature locally.
Code Injection
Nov 2026: Windows Storage Spaces Controller Remote Code Execution Vulnerability
CVE-2026-113814
8.8 - High
- November 10, 2026
Untrusted pointer dereference in Windows Storage Spaces Controller allows an unauthorized attacker to execute code over a network.
Untrusted Pointer Dereference
Nov 2026: Windows Redirected Drive Buffering Information Disclosure Vulnerability
CVE-2026-113772
4.7 - Medium
- November 10, 2026
Time-of-check time-of-use (toctou) race condition in Windows Redirected Drive Buffering allows an authorized attacker to disclose information locally.
TOCTTOU
Nov 2026: Windows XWizard Framework Elevation of Privilege Vulnerability
CVE-2026-113760
8.8 - High
- November 10, 2026
Heap-based buffer overflow in Windows XWizard Framework allows an authorized attacker to elevate privileges locally.
Heap-based Buffer Overflow
Nov 2026: Windows Desktop Window Manager Elevation of Privilege Vulnerability
CVE-2026-113758
7.8 - High
- November 10, 2026
Out-of-bounds read in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
Out-of-bounds Read
Nov 2026: Software Protection Platform (SPP) Elevation of Privilege Vulnerability
CVE-2026-113748
7.8 - High
- November 10, 2026
Stack-based buffer overflow in Software Protection Platform (SPP) allows an authorized attacker to elevate privileges locally.
Stack Overflow
Nov 2026: Windows Servicing Stack Updates Elevation of Privilege Vulnerability
CVE-2026-112989
7 - High
- November 10, 2026
Untrusted pointer dereference in Servicing Stack Updates allows an authorized attacker to elevate privileges locally.
Untrusted Pointer Dereference
Nov 2026: Windows Desktop Window Manager Elevation of Privilege Vulnerability
CVE-2026-112988
5.5 - Medium
- November 10, 2026
Untrusted pointer dereference in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
Untrusted Pointer Dereference
Nov 2026: Windows SMBv3 Server Remote Code Execution Vulnerability
CVE-2026-112972
7.5 - High
- November 10, 2026
Integer overflow or wraparound in Windows SMB Server allows an authorized attacker to execute code over a network.
Integer Overflow or Wraparound
Nov 2026: Windows Management Instrumentation Elevation of Privilege Vulnerability
CVE-2026-112814
5.5 - Medium
- November 10, 2026
Out-of-bounds read in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally.
Out-of-bounds Read
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