Skip to content
Threat Feed

May 2026 (30)

high advisory

CVE-2026-34342 - Windows Print Spooler Components Privilege Escalation via Race Condition

CVE-2026-34342 is a race condition vulnerability in Windows Print Spooler Components that allows an authorized attacker to elevate privileges locally.

Windows Print Spooler Components privilege-escalation race-condition cve-2026-34342 windows
2r 1t 1c
high advisory

CVE-2026-34341: Windows LLDP Double Free Privilege Escalation

CVE-2026-34341 is a double free vulnerability in the Windows Link-Layer Discovery Protocol (LLDP) that allows an authorized attacker to elevate privileges locally with a CVSS v3.1 score of 7.0.

Link-Layer Discovery Protocol lldp double-free privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-34340 - Windows Projected File System Use-After-Free Elevation of Privilege Vulnerability

CVE-2026-34340 is a use-after-free vulnerability in the Windows Projected File System that allows an authorized attacker to elevate privileges locally.

Windows Projected File System privilege-escalation use-after-free windows
2r 1t 1c
high advisory

CVE-2026-34337 - Windows Cloud Files Mini Filter Driver Use-After-Free Vulnerability

CVE-2026-34337 is a use-after-free vulnerability in the Windows Cloud Files Mini Filter Driver, allowing a locally authorized attacker to escalate privileges.

Cloud Files Mini Filter Driver cve privilege escalation use-after-free
2r 1t 1c
medium advisory

CVE-2026-34336 - Windows DWM Core Library Buffer Over-Read Information Disclosure

CVE-2026-34336 is a buffer over-read vulnerability in the Windows DWM Core Library, allowing a local, authenticated attacker to disclose sensitive information.

DWM Core Library vulnerability information-disclosure windows
2r 2t 1c
high advisory

CVE-2026-34334 Windows TCP/IP Race Condition Privilege Escalation

CVE-2026-34334 describes a race condition vulnerability within Windows TCP/IP, enabling a locally authorized attacker to escalate privileges.

Windows TCP/IP privilege-escalation race condition cve-2026-34334
2r 1t 1c
high advisory

CVE-2026-34333 - Use-After-Free in Windows Win32K GRFX Allows Local Privilege Escalation

CVE-2026-34333 is a use-after-free vulnerability in the Windows Win32K - GRFX component that allows a locally authorized attacker to elevate privileges.

Win32K - GRFX privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-34332: Use-After-Free Vulnerability in Windows Kernel-Mode Drivers

CVE-2026-34332 is a use-after-free vulnerability in Windows Kernel-Mode Drivers that allows an authorized attacker to execute code over a network.

Windows Kernel-Mode Drivers cve use-after-free kernel-mode driver rce
2r 1t 1c
high threat

CVE-2026-34331: Windows Win32K - GRFX Race Condition Privilege Escalation

CVE-2026-34331 describes a race condition vulnerability in Windows Win32K - GRFX that allows an authorized attacker to elevate privileges locally due to improper synchronization when accessing shared resources.

Win32K - GRFX privilege-escalation race-condition windows
2r 1t 1c
high advisory

CVE-2026-34330 - Windows Win32K GRFX Integer Overflow Local Privilege Escalation

CVE-2026-34330 is an integer overflow vulnerability in Windows Win32K - GRFX that allows a locally authenticated attacker to escalate privileges.

Win32K - GRFX privilege-escalation windows cve
2r 1t 1c
critical advisory

CVE-2026-34329 Heap-Based Buffer Overflow in Windows Message Queuing

CVE-2026-34329 is a heap-based buffer overflow in Windows Message Queuing, enabling an unauthenticated attacker on an adjacent network to achieve remote code execution.

Message Queuing cve-2026-34329 rce heap-overflow msmq
2r 1t 1c
high advisory

CVE-2026-33841 Heap-Based Buffer Overflow in Windows Kernel Allows Privilege Escalation

CVE-2026-33841 is a heap-based buffer overflow vulnerability in the Windows Kernel that allows a locally authorized attacker to elevate privileges.

Windows Kernel cve-2026-33841 privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-33840 Use-After-Free in Windows Win32K ICOMP for Local Privilege Escalation

CVE-2026-33840 is a use-after-free vulnerability in the Windows Win32K ICOMP component, allowing a locally authenticated attacker to elevate privileges.

Windows Win32K privilege escalation use-after-free windows
2r 1t 1c
high advisory

CVE-2026-33839 - Windows Win32K GRFX Race Condition Privilege Escalation

CVE-2026-33839 is a race condition vulnerability in Windows Win32K - GRFX that allows an authorized local attacker to elevate privileges.

Win32K - GRFX privilege-escalation race condition windows
2r 1t 1c
high advisory

CVE-2026-33838: Windows Message Queuing Double Free Vulnerability

CVE-2026-33838 is a double free vulnerability in Windows Message Queuing that allows a locally authorized attacker to elevate privileges.

Windows Message Queuing privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-33837 - Windows TCP/IP Heap-Based Buffer Overflow for Privilege Escalation

CVE-2026-33837 is a heap-based buffer overflow vulnerability in the Windows TCP/IP stack that allows an authenticated local attacker to elevate privileges.

TCP/IP privilege-escalation buffer-overflow windows
2r 1t 1c
high advisory

CVE-2026-33835 - Windows Cloud Files Mini Filter Driver Use-After-Free Privilege Escalation

CVE-2026-33835 is a use-after-free vulnerability in the Windows Cloud Files Mini Filter Driver, allowing a local attacker to elevate privileges.

Windows Cloud Files Mini Filter Driver cve privilege-escalation windows
2r 1t 1c
high advisory

CVE-2026-33834 - Windows Event Logging Service Improper Access Control Vulnerability

CVE-2026-33834 is an improper access control vulnerability in the Windows Event Logging Service, allowing a locally authenticated attacker to escalate privileges.

Windows Event Logging Service privilege-escalation windows cve-2026-33834
2r 1t 1c
high advisory

CVE-2026-33833: Azure Machine Learning Spoofing Vulnerability

CVE-2026-33833 describes an injection vulnerability in Azure Machine Learning that allows an unauthorized attacker to perform spoofing over a network.

Azure Machine Learning injection spoofing cloud
2r 1t 1c
high threat

CVE-2026-33821: Microsoft Dynamics 365 Customer Insights Privilege Escalation

CVE-2026-33821 is a privilege escalation vulnerability in Microsoft Dynamics 365 Customer Insights, allowing an authorized attacker to elevate privileges over a network.

Dynamics 365 Customer Insights privilege-escalation cve-2026-33821 dynamics365
2r 1t 1c
high advisory

CVE-2026-33110 - Microsoft SharePoint Deserialization Vulnerability

CVE-2026-33110 is a deserialization of untrusted data vulnerability in Microsoft Office SharePoint, allowing an authorized attacker to achieve remote code execution over a network.

Office SharePoint cve deserialization rce sharepoint
1r 1t 1c
high threat

CVE-2026-32204: Azure Monitor Agent Privilege Escalation via External File Path Control

CVE-2026-32204 is a privilege escalation vulnerability in Azure Monitor Agent that allows an authorized attacker with local access to elevate privileges by manipulating file names or paths.

Azure Monitor Agent privilege-escalation cve azure
2r 1t 1c
high advisory

CVE-2026-32177: .NET Heap-Based Buffer Overflow Local Privilege Escalation

A heap-based buffer overflow vulnerability, identified as CVE-2026-32177, exists in .NET, potentially allowing an unauthorized attacker to elevate privileges locally.

.NET cve-2026-32177 heap-based buffer overflow privilege escalation
2r 1t 1c
high advisory

CVE-2026-32161 - Windows Native WiFi Miniport Driver Race Condition Vulnerability

CVE-2026-32161 is a race condition vulnerability in the Windows Native WiFi Miniport Driver that allows an unauthorized attacker to execute code over an adjacent network.

Windows Native WiFi Miniport Driver race-condition wifi windows code-execution
2r 1t 1c
critical advisory

CVE-2026-33117: Azure SDK Improper Authentication Vulnerability

CVE-2026-33117 is a critical vulnerability in the Azure SDK that allows an unauthorized attacker to bypass a security feature over a network due to improper authentication.

Azure SDK cve authentication bypass azure sdk cloud
2r 1t 1c
high advisory

AI Agent Data Theft via Indirect Prompt Injection

Attackers are leveraging indirect prompt injection against AI agents with access to private data, untrusted content, and external communication channels to steal sensitive information by embedding malicious instructions in content processed by the agent.

GitHub Copilot Agent +4 ai-agent prompt-injection data-theft ai-security
1r 2t
high advisory

Lateral Movement via Remote Startup Folder Modification

Adversaries may achieve lateral movement by creating malicious files in remote Windows startup folders via RDP or SMB, leading to code execution upon system reboot or user logon.

m365_defender +4 lateral-movement persistence windows
2r 3t
high advisory

Potential SharpRDP Behavior

This rule detects potential SharpRDP behavior, a tool used for authenticated command execution against a remote target via Remote Desktop Protocol (RDP) for lateral movement by identifying incoming RDP connections followed by RunMRU registry value modifications and subsequent process execution.

Elastic Defend +1 lateral-movement execution windows sharprdp
2r 3t
high advisory

Execution via TSClient Mountpoint

The rule detects execution of processes from the Remote Desktop Protocol (RDP) shared mountpoint tsclient on Windows hosts, which may indicate a lateral movement attempt.

Microsoft Defender XDR +1 lateral-movement execution rdp tsclient windows
2r 2t
high advisory

Potential Remote Desktop Shadowing Activity

This brief detects potential remote desktop shadowing activity by identifying modifications to the RDP Shadow registry or the execution of processes indicative of an active RDP shadowing session, which adversaries may abuse to spy on or control other users' RDP sessions.

Windows NT +4 rdp shadowing lateral-movement windows
3r 1t