Windows 11 Version 26H2 vulnerabilities
86 known vulnerabilities in Windows 11 Version 26H2 from Microsoft. 86 are rated high or critical, and 1 has been exploited in real attacks. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.
Latest first
- 7.0 High severity
Windows 11 version 23H2: Concurrent Execution using Shared Resource with Improper Synchronization
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges locally.
- 7.0 High severity
Windows 10 Version 21H2: Concurrent Execution using Shared Resource with Improper Synchronization
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Feedback Hub allows an authorized attacker to elevate privileges locally.
- 7.8 High severity
Windows 10 Version 1809: Stack-based Buffer Overflow
Stack-based buffer overflow in Windows Local Security Authority Subsystem Service (LSASS) allows an authorized attacker to elevate privileges locally.
- 7.8 High severity
Windows 10 Version 1607: Improper Neutralization of Special Elements used in a Command
Improper neutralization of special elements used in a command ('command injection') in Windows Task Scheduler allows an authorized attacker to elevate privileges locally.
- 7.0 High severity
Windows 10 Version 1607: Concurrent Execution using Shared Resource with Improper Synchronization
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Installer allows an authorized attacker to elevate privileges locally.
- 7.0 High severity
Windows 11 Version 24H2: Concurrent Execution using Shared Resource with Improper Synchronization
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Diagnostic Policy Service allows an authorized attacker to elevate privileges locally.
- 7.5 High severity
Windows 10 Version 1607: Concurrent Execution using Shared Resource with Improper Synchronization
Concurrent execution using shared resource with improper synchronization ('race condition') in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
- 7.8 High severity
Windows 10 Version 1607: Improper Link Resolution Before File Access
Improper link resolution before file access ('link following') in Data Sharing Service Client allows an authorized attacker to elevate privileges locally.
- 8.8 High severity
Windows 10 Version 1809: Access of Resource Using Incompatible Type
Access of resource using incompatible type ('type confusion') in Windows Advanced Rasterization Platform allows an authorized attacker to elevate privileges locally.
- 7.8 High severity
Windows 10 Version 1607: Missing Authentication for Critical Functionality
An elevation of privilege vulnerability exists in Windows Error Reporting (WER) when WER handles and executes files. The vulnerability could allow elevation of privilege if an attacker can successfully exploit it. An attacker who successfully exploited the vul
- 7.0 High severity
Windows 10 Version 1809: Weak Authentication
An elevation of privilege vulnerability exists in Windows Error Reporting (WER) when WER handles and executes files. The vulnerability could allow elevation of privilege if an attacker can successfully exploit it. An attacker who successfully exploited the vul
- 7.0 High severity
Windows 10 Version 1607: Concurrent Execution using Shared Resource with Improper Synchronization
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows an authorized attacker to elevate privileges locally.
- 8.8 High severity
Windows 10 Version 1607: Heap-based Buffer Overflow
Heap-based buffer overflow in Windows Network Connected Devices Auto-Setup Service allows an unauthorized attacker to execute code over an adjacent network.
- 8.0 High severity
Windows 10 Version 1607: Improper Neutralization of Special Elements used in a Command
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.
- 7.0 High severity
Windows 10 Version 1607: Concurrent Execution using Shared Resource with Improper Synchronization
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
- 7.0 High severity
Windows 10 Version 1809: Time-of-check Time-of-use (TOCTOU) Race Condition
Time-of-check time-of-use (toctou) race condition in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
- 8.1 High severity
Windows 10 Version 1607: Concurrent Execution using Shared Resource with Improper Synchronization
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Internet Information Services allows an unauthorized attacker to execute code over a network.
- 7.0 High severity
Windows 10 Version 1607: Improper Link Resolution Before File Access
Improper link resolution before file access ('link following') in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.
- 7.0 High severity
Windows 11 Version 24H2: Concurrent Execution using Shared Resource with Improper Synchronization
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Audio Service allows an authorized attacker to elevate privileges locally.
- 7.0 High severity
Windows 10 Version 1607: Concurrent Execution using Shared Resource with Improper Synchronization
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Installer allows an authorized attacker to elevate privileges locally.
- 7.0 High severity
Windows 10 Version 1607: Exposure of Sensitive System Information to an Unauthorized Control Sphere
Exposure of sensitive system information to an unauthorized control sphere in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
- 8.1 High severity
Windows 10 Version 1607: Improper Verification of Cryptographic Signature
Improper verification of cryptographic signature in Windows Remote Procedure Call Runtime allows an unauthorized attacker to execute code over a network.
- 8.8 High severity
Windows 10 Version 1809: Inclusion of Functionality from Untrusted Control Sphere
Inclusion of functionality from untrusted control sphere in Windows Advanced Rasterization Platform allows an authorized attacker to elevate privileges locally.
- 7.8 High severity
Windows 10 Version 1607: Concurrent Execution using Shared Resource with Improper Synchronization
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Client for NFS allows an authorized attacker to elevate privileges locally.
- 7.0 High severity
Windows 10 Version 1607: Concurrent Execution using Shared Resource with Improper Synchronization
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Point-to-Point Protocol over Ethernet (PPPoE) allows an authorized attacker to elevate privileges locally.
- 7.5 High severity
Windows 10 Version 1809: Concurrent Execution using Shared Resource with Improper Synchronization
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server Network Transport Driver (srvnet.sys) allows an authorized attacker to execute code over a network.
- 7.8 High severity
Windows 10 Version 1607: Untrusted Pointer Dereference
Inclusion of functionality from untrusted control sphere in Windows COM+ Event System Service allows an authorized attacker to elevate privileges locally.
- 7.0 High severity
Windows 10 Version 1809: Heap-based Buffer Overflow
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Fast FAT Driver allows an authorized attacker to elevate privileges locally.
- 7.0 High severity
Windows 10 Version 1809: Time-of-check Time-of-use (TOCTOU) Race Condition
Time-of-check time-of-use (toctou) race condition in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
- 7.8 High severity
Windows 10 Version 1809: Access of Resource Using Incompatible Type
Access of resource using incompatible type ('type confusion') in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
- 7.0 High severity
Windows 10 Version 1607: Concurrent Execution using Shared Resource with Improper Synchronization
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Kernel allows an authorized attacker to elevate privileges locally.
- 7.0 High severity
Windows 10 Version 1607: Concurrent Execution using Shared Resource with Improper Synchronization
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally.
- 7.0 High severity
Windows 10 Version 1607: Concurrent Execution using Shared Resource with Improper Synchronization
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
- 7.0 High severity
Windows 10 Version 1607: Release of Invalid Pointer or Reference
An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. To exploit the vulnerability, a locally authenti
- 7.0 High severity
Windows 10 Version 1607: Concurrent Execution using Shared Resource with Improper Synchronization
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Point-to-Point Protocol over Ethernet (PPPoE) allows an authorized attacker to elevate privileges locally.
- 7.8 High severity
Windows 10 Version 1607: Heap-based Buffer Overflow
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
- 7.0 High severity
Windows 10 Version 1607: Use After Free
An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. To exploit the vulnerability, a locally authenti
- 7.0 High severity
Windows 10 Version 1607: Concurrent Execution using Shared Resource with Improper Synchronization
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Volume Shadow Copy allows an authorized attacker to elevate privileges locally.
- 7.0 High severity
Windows 10 Version 1607: Double Free
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
- 7.8 High severity
Windows 10 Version 1607: Use After Free
An elevation of privilege vulnerability exists when reparse points are created by sandboxed processes allowing sandbox escape. An attacker who successfully exploited the vulnerability could use the sandbox escape to elevate privileges on an affected system. To