Microsoft
Monthly
Deserialization of untrusted data in Azure SDK allows unauthorized code execution over a network. EPSS 0.32%.
Windows Remote Access Connection Manager contains a null pointer dereference flaw affecting Windows 10 (versions 1809 and 21h2) and Windows 11 (version 23h2) that has been confirmed as actively exploited. A local attacker can trigger a denial of service condition without requiring authentication or user interaction. No patch is currently available for this vulnerability.
Authenticated users can exploit a race condition in GitHub Copilot and Visual Studio Code to execute arbitrary code remotely by manipulating file state between verification and use. This vulnerability affects users with network access to these development tools and requires user interaction to trigger. No patch is currently available to address this high-severity flaw.
Desktop Window Manager (DWM) in Windows contains a type confusion vulnerability (CVE-2026-21519, CVSS 7.8) that enables authorized local attackers to escalate privileges. KEV-listed, this kernel-level vulnerability in the Windows compositor allows any authenticated user to achieve SYSTEM-level access through exploitation of an incompatible type access in DWM's resource handling.
GitHub Copilot and Visual Studio Code are vulnerable to command injection attacks that allow unauthenticated attackers to bypass security features over the network through improper neutralization of special command elements. The vulnerability requires user interaction to exploit and could enable attackers to execute arbitrary commands with high impact on confidentiality, integrity, and availability. No patch is currently available for this issue.
GitHub Copilot is vulnerable to command injection attacks that enable remote code execution without requiring authentication or user interaction beyond a click. An attacker can exploit this network-accessible vulnerability to execute arbitrary commands on affected systems. No patch is currently available for this high-severity vulnerability.
Microsoft Office Word contains a security decision bypass (CVE-2026-21514, CVSS 7.8) through reliance on untrusted inputs, allowing local attackers to bypass protections when opening malicious documents. KEV-listed, this vulnerability enables document-based attacks that circumvent Word's security features designed to protect users from malicious content.
MSHTML Framework contains a protection mechanism failure (CVE-2026-21513, CVSS 8.8) allowing remote attackers to bypass security features over a network. KEV-listed, this vulnerability in the legacy HTML rendering engine (still used by many Windows applications and email clients) enables execution of malicious content by circumventing the browser's security sandbox and content restrictions.
Microsoft Outlook's unsafe deserialization of untrusted data enables remote attackers to spoof messages and identities without authentication over the network. This vulnerability affects Outlook, Word, and Microsoft 365 Apps, allowing attackers to impersonate legitimate senders and deceive users. No patch is currently available, making this a high-risk threat requiring immediate defensive measures.
Windows Shell contains a protection mechanism failure (CVE-2026-21510, CVSS 8.8) that allows unauthenticated remote attackers to bypass security features over a network. KEV-listed, this vulnerability in the core Windows Shell component enables remote code execution by circumventing security boundaries designed to prevent execution of untrusted content received from the network.
Windows Storage component contains an authentication bypass that enables authenticated local users to escalate privileges on Windows 10, Windows 11, and Windows Server 2016/2019 systems. An attacker with valid local credentials can exploit this vulnerability to gain elevated system access without user interaction. No patch is currently available for this HIGH severity issue affecting multiple Windows versions.
Information disclosure in Microsoft Outlook, SharePoint Server, Office, and 365 Apps enables remote attackers to conduct email spoofing attacks without authentication or user interaction. The vulnerability affects multiple Microsoft collaboration products and could allow threat actors to impersonate legitimate senders to compromise organizational security. No patch is currently available for this high-severity issue.
Privilege escalation in Microsoft Office Excel (including 365 Apps and Long Term Servicing Channel) via heap-based buffer overflow allows local attackers with user interaction to gain elevated system privileges. The vulnerability affects multiple Office product lines and currently lacks a security patch. With a CVSS score of 7.8, this poses a significant risk to organizations using affected Excel versions.
GitHub Copilot and Visual Studio 2022 contain a command injection vulnerability that allows authenticated users to execute arbitrary commands through improper sanitization of special elements. An attacker with valid credentials can leverage user interaction to escalate privileges and gain elevated access across the network. No patch is currently available for this vulnerability.
Remote code execution in GitHub Copilot and Visual Studio 2022 via command injection allows unauthenticated attackers to execute arbitrary code over the network with user interaction. The vulnerability stems from improper sanitization of special elements in commands, enabling attackers to break out of intended command contexts and inject malicious payloads. No patch is currently available for this high-severity issue affecting both development environments.
Windows Hyper-V fails to properly enforce access controls, enabling local authenticated users to circumvent security features and gain unauthorized system access. This high-severity flaw affects Windows 10, Windows 11, Windows Server 2022, and Hyper-V implementations, allowing privileged attackers to escalate privileges across system boundaries. No patch is currently available for this vulnerability.
Use after free in Mailslot File System allows an authorized attacker to elevate privileges locally. [CVSS 7.0 HIGH]
Privilege escalation in Windows Cluster Client Failover exploits a use-after-free memory vulnerability, enabling authenticated local users to gain elevated system privileges. The flaw affects Windows Server 2016, 2019, and 2025 installations where an attacker with existing local access can trigger the vulnerability through the failover clustering component. No patch is currently available for this high-severity vulnerability.
Windows HTTP.sys contains an unsafe pointer dereference vulnerability that enables authenticated local attackers to escalate privileges on affected systems including Windows 11, Windows Server 2025, and related versions. An attacker with local user access can exploit this flaw to gain system-level privileges with high confidence in successful exploitation. No patch is currently available for this vulnerability.
Heap overflow in Windows Hyper-V enables authenticated local users to achieve arbitrary code execution with high privileges on affected Windows and Windows Server systems. An attacker with local access and user-level permissions can trigger memory corruption through user interaction to compromise system integrity and confidentiality. This vulnerability affects Windows 10 1809, Windows Server 2025, and related Hyper-V implementations with no patch currently available.
Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally. [CVSS 7.3 HIGH]
Privilege escalation in Microsoft Graphics Component on Windows 11 24H2 and Windows 10 21H2 exploits a heap buffer overflow to allow authenticated local attackers to gain system-level access. The vulnerability requires local access and user interaction is not required, presenting a significant risk in multi-user environments. No patch is currently available.
Windows Kernel heap overflow in Windows 11 25h2 and Windows Server 2025 enables authenticated local attackers to achieve privilege escalation with high impact on confidentiality, integrity, and availability. The vulnerability requires local access and user privileges but no user interaction, making it a practical attack vector for lateral movement within systems. No patch is currently available, leaving affected systems exposed until remediation is released.
Heap overflow in Windows Hyper-V enables authenticated local users to achieve arbitrary code execution with high privileges (CVSS 7.3). Exploitation requires user interaction and local system access, affecting Windows 10 1809 and Windows Server 2025. No patch is currently available.
Windows LDAP service in Server 2022 and 2022 23H2 is vulnerable to denial of service through a null pointer dereference that can be triggered remotely without authentication. An attacker can exploit this flaw over the network to crash the LDAP service and disrupt directory access functionality. No patch is currently available for this vulnerability.
Windows Subsystem for Linux contains a use-after-free vulnerability that enables local privilege escalation for authenticated users. An attacker with valid local access could exploit this memory safety flaw to gain elevated system privileges on affected Windows Server 2022 systems.
Windows Ancillary Function Driver for WinSock in Windows 11 23h2 and Windows Server 2022 23h2 contains a use-after-free vulnerability that allows authenticated local users to achieve privilege escalation. An attacker with local access and valid credentials can trigger the memory safety flaw to gain elevated system privileges. No patch is currently available for this HIGH severity vulnerability.
Windows HTTP.sys contains a race condition between privilege checks and resource access that enables local authenticated users to escalate privileges on Windows 10 21H2, Windows 11 23H2, and Windows Server 2025. An attacker with valid credentials can exploit this timing vulnerability to gain system-level access. No patch is currently available for this vulnerability.
Privilege escalation via heap buffer overflow in Windows Kernel (Windows 10 21H2, Windows Server 2016) allows authenticated local users to gain elevated system privileges. The vulnerability requires local access and user-level permissions, making it exploitable by authorized account holders to bypass security boundaries. No patch is currently available for this issue.
Privilege escalation in the Windows Ancillary Function Driver for WinSock affects Windows 11 and Windows Server 2022/2019, allowing authenticated local users to gain elevated system privileges. The vulnerability stems from improper access control mechanisms and currently lacks a patch. An authenticated attacker with local access can exploit this to achieve full system compromise.
Local privilege escalation in Windows Subsystem for Linux affects Windows 11 23h2 and Windows 10 22h2 through a race condition in shared resource synchronization. An authenticated local attacker can exploit this vulnerability to gain elevated privileges on the system. No patch is currently available for this vulnerability.
Windows Ancillary Function Driver for WinSock contains a heap buffer overflow vulnerability that enables authenticated local users to achieve privilege escalation on affected Windows 10 and Server 2012 systems. An attacker with valid user credentials can exploit this memory corruption flaw to execute arbitrary code with elevated privileges. No patch is currently available for this vulnerability.
Privilege escalation in Microsoft Graphics Component via use-after-free memory corruption affects Windows Server 2019 and 2012, allowing authenticated local attackers to gain elevated system privileges with user interaction. The vulnerability poses a significant risk in industrial environments where Windows Server hosts critical infrastructure. No patch is currently available for this high-severity issue.
Local privilege escalation in Windows Connected Devices Platform Service exploits a race condition in resource synchronization, allowing authenticated attackers to gain elevated privileges on affected Windows systems including Server 2022, Windows 11 25h2, and Windows 10 21h2. The vulnerability requires local access and user interaction is not needed, making it a practical attack vector for users with standard privileges. No patch is currently available.
Windows HTTP.sys contains an untrusted pointer dereference vulnerability that enables authenticated local users to escalate privileges on Windows 11 and Windows Server 2022/2025 systems. An attacker with valid credentials can exploit this flaw to gain elevated access without user interaction. No patch is currently available for this HIGH severity issue affecting multiple Windows versions.
Windows Kernel privilege escalation vulnerability in Windows 10 21H2 and Windows Server 2012 stems from improper synchronization of concurrent access to shared resources, enabling local authenticated users to gain elevated system privileges. The race condition can be triggered without user interaction and impacts confidentiality, integrity, and availability of the affected system. No patch is currently available.
Remote code execution in Microsoft Power BI Report Server exposes organizations to full system compromise via crafted network requests from authenticated low-privileged users. The flaw, rooted in CWE-20 improper input validation, carries a CVSS score of 8.8 with high confidentiality, integrity, and availability impact. Despite the elevated severity score, EPSS sits at just 0.04% (13th percentile) with no KEV listing and no known public exploit, suggesting the vulnerability is currently untargeted rather than actively weaponized.
Remote code execution in Azure Local stems from improper certificate validation, enabling unauthenticated attackers to execute arbitrary code over the network without user interaction. This HIGH severity vulnerability (CVSS 8.1) affects Azure and Azure Local deployments, with no patch currently available. Organizations using these products face immediate risk of compromise through network-based attacks exploiting this validation bypass.
.NET applications are vulnerable to spoofing attacks due to improper validation of a required security element, allowing unauthenticated remote attackers to forge or manipulate application data over the network. This vulnerability affects multiple .NET versions and currently has no available patch, exposing organizations to authentication bypass and data integrity risks. The attack requires no user interaction and can be exploited directly from the network.
Buffer over-read in Windows GDI+ allows an unauthorized attacker to deny service over a network. [CVSS 7.5 HIGH]
Local code execution in Windows Notepad stems from inadequate sanitization of command metacharacters, enabling authenticated users to execute arbitrary commands through specially crafted input. The vulnerability requires user interaction and local access, making it exploitable by attackers with limited system privileges. No patch is currently available.
Microsoft Semantic Kernel SDK has a CVSS 9.9 path traversal vulnerability enabling AI agents to access arbitrary files outside their intended scope.
Azure Arc Elevation of Privilege Vulnerability [CVSS 8.6 HIGH]
Elevation of privilege vulnerability in Azure Front Door allows attackers to gain elevated access. Microsoft Azure cloud service vulnerability affecting CDN/WAF infrastructure.
Azure Function Information Disclosure Vulnerability [CVSS 8.2 HIGH]
Microsoft Office contains a security feature bypass (CVE-2026-21509, CVSS 7.8) where reliance on untrusted inputs in security decisions allows local attackers to bypass protections designed to prevent execution of malicious content. KEV-listed with EPSS 9.3%, this vulnerability enables attackers to circumvent Office security features like Protected View or macro restrictions through crafted documents.
Privilege escalation in Microsoft Azure Resource Manager (ARM) lets a network-based attacker abuse an improper access control flaw (CWE-284) to elevate privileges and gain full read/write/impact control over resources beyond their intended authorization boundary, with a scope-changing blast radius (S:C) rated CVSS 10.0. Because ARM is the unified control-plane API that governs deployment and management of virtually all Azure resources, a successful escalation can cross tenant or subscription trust boundaries. There is no public exploit identified at time of analysis, and the EPSS score is very low (0.05%), indicating no observed weaponization despite the maximal CVSS.
M365 Copilot has an input validation vulnerability allowing unauthorized attackers to extract sensitive information through crafted prompts over the network.
Azure Front Door has an improper access control vulnerability (CVSS 9.8) allowing unauthorized attackers to elevate privileges through the CDN and WAF infrastructure.
Azure Entra ID (formerly Azure AD) has an elevation of privilege vulnerability allowing attackers to escalate permissions within the identity platform.
Azure Data Explorer exposes sensitive information to unauthenticated remote attackers through a network-accessible vulnerability requiring only user interaction. An attacker can retrieve confidential data without authorization, potentially compromising customer information stored in affected Azure deployments. No patch is currently available for this high-severity vulnerability.
Information disclosure in Microsoft 365 Word Copilot enables unauthenticated attackers to extract sensitive data through improper handling of escape and control sequences in network communications. The vulnerability requires user interaction to trigger and affects the Copilot AI/ML service with a CVSS score of 7.4. No patch is currently available.
Unauthenticated attackers can remotely access sensitive information in Microsoft Copilot Studio due to improper access controls, requiring no authentication or user interaction. This network-based vulnerability exposes confidential data to unauthorized disclosure with no patch currently available.
Microsoft Account has a cross-site scripting vulnerability allowing unauthenticated attackers to execute scripts in the context of Microsoft Account pages.
Privilege escalation in Azure Logic Apps results from improper path validation, enabling remote attackers to gain elevated access without authentication or user interaction. Organizations using Azure Logic Apps are at risk of unauthorized privilege elevation through network-based attacks, with no available patch currently provided.
Chromium-based Microsoft Edge contains a privilege management flaw that enables local authenticated users to circumvent security controls through improper access restrictions. An authorized attacker can exploit this vulnerability to gain unauthorized capabilities on the affected system, though the specific security feature being bypassed is not detailed. No patch is currently available for this high-severity issue.
Insufficient authorization controls in Microsoft Power Apps enable authenticated attackers to achieve remote code execution through network access. An attacker with valid credentials can bypass permission checks to execute arbitrary code within the affected environment. No patch is currently available for this vulnerability.
Remote code execution in Azure Core Shared Client Library for Python results from insecure deserialization of untrusted data, allowing authenticated network-based attackers to achieve arbitrary code execution. The vulnerability affects Python applications utilizing the vulnerable library versions, with no patch currently available. This represents a high-severity risk for Azure SDK consumers handling external or user-supplied serialized data.
Local privilege escalation in Azure Connected Machine Agent exploits a stack-based buffer overflow, enabling authenticated users to gain elevated system privileges. The vulnerability affects Azure and Stack Overflow deployments and requires local access with valid credentials to exploit. No patch is currently available for this high-severity issue.
Privilege escalation in Windows 11 and Windows Server 2025 Capability Access Management Service results from a race condition in resource synchronization, enabling authenticated local users to gain elevated system privileges. The vulnerability affects multiple recent Windows versions (24h2 and 25h2) and currently lacks a patch. No public exploit code has been disclosed, though the attack requires local access and moderate complexity to execute.
Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally. [CVSS 7.0 HIGH]
Windows Admin Center fails to properly validate cryptographic signatures, enabling high-privileged users to bypass security controls and gain elevated system access on local machines. This vulnerability affects both Windows and Windows Admin Center installations and requires an authenticated attacker with administrative credentials to exploit. No patch is currently available for this issue.
Microsoft Office SharePoint contains a deserialization vulnerability (CVE-2026-20963) that allows authenticated users to execute arbitrary code over the network through crafted serialized objects. KEV-listed with public PoC, this CVSS 8.8 vulnerability enables any SharePoint user to escalate to server-level code execution, making it a critical threat for organizations relying on SharePoint for document management and collaboration.
Arbitrary code execution in Microsoft Office Excel results from an integer underflow vulnerability in the Long Term Servicing Channel and Online Server editions, exploitable by local attackers with user interaction. This HIGH severity flaw (CVSS 7.8) grants full system compromise capabilities including code execution, data theft, and service disruption with no available patch.
Memory corruption in Microsoft Excel within Office 365 Apps and Long Term Servicing Channel enables local code execution through a malicious file requiring user interaction. An attacker can achieve arbitrary code execution with full system privileges by exploiting improper pointer handling in the application. No patch is currently available, leaving affected systems vulnerable until Microsoft releases a fix.
Arbitrary code execution in Microsoft Excel through unsafe pointer handling enables local attackers to achieve full system compromise without requiring elevated privileges. This vulnerability affects Microsoft 365 Apps, Office, Office Online Server, and Office Long Term Servicing Channel across multiple versions. No patch is currently available, leaving affected systems vulnerable to exploitation via maliciously crafted spreadsheets.
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. [CVSS 8.4 HIGH]
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. [CVSS 8.4 HIGH]
Local code execution in Microsoft SharePoint Server results from inadequate input validation, enabling attackers with local access to execute arbitrary code with user interaction. The vulnerability affects SharePoint deployments and carries high impact across confidentiality, integrity, and authenticity. No patch is currently available.
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. [CVSS 7.8 HIGH]
Microsoft Office Excel in the Long Term Servicing Channel and 365 Apps contains an access control bypass vulnerability that allows a local attacker with user interaction to gain unauthorized access to sensitive data and modify or delete system resources. The vulnerability requires local access and user interaction to exploit, affecting the confidentiality, integrity, and availability of affected systems. No patch is currently available.
Local code execution in Microsoft Office Word (including 365 Apps and SharePoint Server) results from unsafe pointer dereferencing that can be triggered by user interaction with a malicious document. An attacker with local access can exploit this vulnerability to execute arbitrary code with the privileges of the affected user. No patch is currently available for this vulnerability.
SQL injection in Microsoft SharePoint Server enables authenticated attackers to execute arbitrary code remotely through improper sanitization of database queries. This vulnerability affects authorized users with network access and could allow them to compromise affected systems with high-level privileges. No patch is currently available for this issue.
Local code execution in Microsoft Office Excel occurs through an out-of-bounds memory read vulnerability affecting the Long Term Servicing Channel, Office 365 Apps, and standalone Office installations. An attacker with local access and user interaction can exploit this flaw to achieve arbitrary code execution with full system privileges. No patch is currently available for this high-severity vulnerability.
Microsoft Office Word contains an out-of-bounds read vulnerability that enables local code execution on affected systems. Users of Microsoft 365 Apps and Office Long Term Servicing Channel are at risk, as an attacker with local access can exploit this memory safety flaw to execute arbitrary code with full system privileges. No patch is currently available for this high-severity vulnerability.
Untrusted search path in Microsoft Office allows an unauthorized attacker to execute code locally. [CVSS 7.0 HIGH]
Privilege escalation in Windows Task Host Process affects Windows 11 and Server 2025 through unsafe symbolic link handling, allowing authenticated local users to gain elevated system privileges. An attacker with standard user access can exploit improper link resolution to bypass access controls and execute arbitrary actions with SYSTEM-level permissions. Currently no patch is available for this vulnerability.
Windows Cloud Files Mini Filter Driver contains a heap-based buffer overflow that enables local privilege escalation on Windows 10 1809, Windows Server 2016, and Windows Server 2022. An authenticated attacker can exploit this vulnerability to gain elevated system privileges without user interaction. No patch is currently available.
Windows Virtualization-Based Security (VBS) Enclave contains an untrusted pointer dereference vulnerability that allows authenticated local users to achieve privilege escalation. The vulnerability affects Windows 11 versions 23h2, 24h2, and 25h2, and currently has no available patch. An attacker with local access can exploit this memory safety flaw to gain elevated system privileges.
Privilege escalation in Windows SMB Server (Server 2025, Windows 11 24H2, Windows 10 22H2) stems from improper synchronization of shared resources during concurrent execution, enabling authenticated network attackers to gain elevated privileges. The vulnerability requires high complexity exploitation but carries high impact across confidentiality, integrity, and availability. No patch is currently available.
Windows Telephony Service on multiple Windows versions (10, 11, Server 2008/2022) contains an improper file path control vulnerability that enables authenticated attackers on the same network to escalate privileges to system level. An attacker with local user credentials can manipulate file name or path parameters to achieve elevated privileges without user interaction. No patch is currently available, though the vulnerability has high exploitability potential (EPSS 0.8%).
Windows HTTP.sys contains an access control weakness that enables authenticated network attackers to escalate privileges on affected Windows systems including Windows 10 and Windows Server 2016/2019. The vulnerability requires low attack complexity and existing user credentials but grants complete compromise of confidentiality, integrity, and availability. No patch is currently available for this HIGH severity issue.
Privilege escalation in Windows SMB Server (versions 10 22h2, 11 23h2, and 11 25h2) stems from improper synchronization of shared resources, allowing authenticated network attackers to elevate privileges. The race condition vulnerability requires specific timing conditions but carries high impact across confidentiality, integrity, and availability. No patch is currently available for this vulnerability.
Privilege escalation in Windows Management Services via use-after-free memory corruption affects Windows 10, Windows 11, and Windows Server 2019, enabling authenticated local attackers to gain elevated system privileges. An authorized user can exploit this vulnerability through a race condition to execute arbitrary code with higher privileges. No patch is currently available for this vulnerability.
Privilege escalation in Windows Management Services affects Windows Server 2019, 2022 23h2, and 2025 through a use-after-free vulnerability that allows authenticated local attackers to gain elevated system privileges. The flaw requires low privileges and manual user interaction to trigger, potentially giving attackers complete system control. No patch is currently available for this vulnerability.
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally. [CVSS 7.8 HIGH]
Privilege escalation in Windows SMB Server (2022, 2025) stems from improper synchronization of concurrent resource access, enabling authenticated network attackers to gain elevated privileges. The vulnerability requires specific conditions to trigger but provides high-impact unauthorized access when successfully exploited. No patch is currently available for affected systems.
Windows Win32K use-after-free vulnerability in ICOMP affects Windows 11 23h2 and Windows Server 2022 23h2, enabling authenticated local attackers to achieve privilege escalation with high impact on confidentiality, integrity, and availability. Currently no patch is available, and exploitation requires local access with user-level privileges.
Windows SMB Server contains a race condition in concurrent resource handling that enables authenticated network attackers to escalate privileges on affected systems including Windows 10 22H2, Windows 10 1607, and Windows Server 2025. The vulnerability requires low attack complexity and network access from an authenticated user, but carries high impact across confidentiality, integrity, and availability. No patch is currently available for this HIGH severity issue (CVSS 7.5).
Windows Management Services on Windows 10 and 11 contains a race condition in shared resource synchronization that enables authenticated local users to escalate privileges to system level. The vulnerability affects multiple Windows versions including 22h2, 21h2, and 25h2 builds, with no patch currently available.
Deserialization of untrusted data in Azure SDK allows unauthorized code execution over a network. EPSS 0.32%.
Windows Remote Access Connection Manager contains a null pointer dereference flaw affecting Windows 10 (versions 1809 and 21h2) and Windows 11 (version 23h2) that has been confirmed as actively exploited. A local attacker can trigger a denial of service condition without requiring authentication or user interaction. No patch is currently available for this vulnerability.
Authenticated users can exploit a race condition in GitHub Copilot and Visual Studio Code to execute arbitrary code remotely by manipulating file state between verification and use. This vulnerability affects users with network access to these development tools and requires user interaction to trigger. No patch is currently available to address this high-severity flaw.
Desktop Window Manager (DWM) in Windows contains a type confusion vulnerability (CVE-2026-21519, CVSS 7.8) that enables authorized local attackers to escalate privileges. KEV-listed, this kernel-level vulnerability in the Windows compositor allows any authenticated user to achieve SYSTEM-level access through exploitation of an incompatible type access in DWM's resource handling.
GitHub Copilot and Visual Studio Code are vulnerable to command injection attacks that allow unauthenticated attackers to bypass security features over the network through improper neutralization of special command elements. The vulnerability requires user interaction to exploit and could enable attackers to execute arbitrary commands with high impact on confidentiality, integrity, and availability. No patch is currently available for this issue.
GitHub Copilot is vulnerable to command injection attacks that enable remote code execution without requiring authentication or user interaction beyond a click. An attacker can exploit this network-accessible vulnerability to execute arbitrary commands on affected systems. No patch is currently available for this high-severity vulnerability.
Microsoft Office Word contains a security decision bypass (CVE-2026-21514, CVSS 7.8) through reliance on untrusted inputs, allowing local attackers to bypass protections when opening malicious documents. KEV-listed, this vulnerability enables document-based attacks that circumvent Word's security features designed to protect users from malicious content.
MSHTML Framework contains a protection mechanism failure (CVE-2026-21513, CVSS 8.8) allowing remote attackers to bypass security features over a network. KEV-listed, this vulnerability in the legacy HTML rendering engine (still used by many Windows applications and email clients) enables execution of malicious content by circumventing the browser's security sandbox and content restrictions.
Microsoft Outlook's unsafe deserialization of untrusted data enables remote attackers to spoof messages and identities without authentication over the network. This vulnerability affects Outlook, Word, and Microsoft 365 Apps, allowing attackers to impersonate legitimate senders and deceive users. No patch is currently available, making this a high-risk threat requiring immediate defensive measures.
Windows Shell contains a protection mechanism failure (CVE-2026-21510, CVSS 8.8) that allows unauthenticated remote attackers to bypass security features over a network. KEV-listed, this vulnerability in the core Windows Shell component enables remote code execution by circumventing security boundaries designed to prevent execution of untrusted content received from the network.
Windows Storage component contains an authentication bypass that enables authenticated local users to escalate privileges on Windows 10, Windows 11, and Windows Server 2016/2019 systems. An attacker with valid local credentials can exploit this vulnerability to gain elevated system access without user interaction. No patch is currently available for this HIGH severity issue affecting multiple Windows versions.
Information disclosure in Microsoft Outlook, SharePoint Server, Office, and 365 Apps enables remote attackers to conduct email spoofing attacks without authentication or user interaction. The vulnerability affects multiple Microsoft collaboration products and could allow threat actors to impersonate legitimate senders to compromise organizational security. No patch is currently available for this high-severity issue.
Privilege escalation in Microsoft Office Excel (including 365 Apps and Long Term Servicing Channel) via heap-based buffer overflow allows local attackers with user interaction to gain elevated system privileges. The vulnerability affects multiple Office product lines and currently lacks a security patch. With a CVSS score of 7.8, this poses a significant risk to organizations using affected Excel versions.
GitHub Copilot and Visual Studio 2022 contain a command injection vulnerability that allows authenticated users to execute arbitrary commands through improper sanitization of special elements. An attacker with valid credentials can leverage user interaction to escalate privileges and gain elevated access across the network. No patch is currently available for this vulnerability.
Remote code execution in GitHub Copilot and Visual Studio 2022 via command injection allows unauthenticated attackers to execute arbitrary code over the network with user interaction. The vulnerability stems from improper sanitization of special elements in commands, enabling attackers to break out of intended command contexts and inject malicious payloads. No patch is currently available for this high-severity issue affecting both development environments.
Windows Hyper-V fails to properly enforce access controls, enabling local authenticated users to circumvent security features and gain unauthorized system access. This high-severity flaw affects Windows 10, Windows 11, Windows Server 2022, and Hyper-V implementations, allowing privileged attackers to escalate privileges across system boundaries. No patch is currently available for this vulnerability.
Use after free in Mailslot File System allows an authorized attacker to elevate privileges locally. [CVSS 7.0 HIGH]
Privilege escalation in Windows Cluster Client Failover exploits a use-after-free memory vulnerability, enabling authenticated local users to gain elevated system privileges. The flaw affects Windows Server 2016, 2019, and 2025 installations where an attacker with existing local access can trigger the vulnerability through the failover clustering component. No patch is currently available for this high-severity vulnerability.
Windows HTTP.sys contains an unsafe pointer dereference vulnerability that enables authenticated local attackers to escalate privileges on affected systems including Windows 11, Windows Server 2025, and related versions. An attacker with local user access can exploit this flaw to gain system-level privileges with high confidence in successful exploitation. No patch is currently available for this vulnerability.
Heap overflow in Windows Hyper-V enables authenticated local users to achieve arbitrary code execution with high privileges on affected Windows and Windows Server systems. An attacker with local access and user-level permissions can trigger memory corruption through user interaction to compromise system integrity and confidentiality. This vulnerability affects Windows 10 1809, Windows Server 2025, and related Hyper-V implementations with no patch currently available.
Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally. [CVSS 7.3 HIGH]
Privilege escalation in Microsoft Graphics Component on Windows 11 24H2 and Windows 10 21H2 exploits a heap buffer overflow to allow authenticated local attackers to gain system-level access. The vulnerability requires local access and user interaction is not required, presenting a significant risk in multi-user environments. No patch is currently available.
Windows Kernel heap overflow in Windows 11 25h2 and Windows Server 2025 enables authenticated local attackers to achieve privilege escalation with high impact on confidentiality, integrity, and availability. The vulnerability requires local access and user privileges but no user interaction, making it a practical attack vector for lateral movement within systems. No patch is currently available, leaving affected systems exposed until remediation is released.
Heap overflow in Windows Hyper-V enables authenticated local users to achieve arbitrary code execution with high privileges (CVSS 7.3). Exploitation requires user interaction and local system access, affecting Windows 10 1809 and Windows Server 2025. No patch is currently available.
Windows LDAP service in Server 2022 and 2022 23H2 is vulnerable to denial of service through a null pointer dereference that can be triggered remotely without authentication. An attacker can exploit this flaw over the network to crash the LDAP service and disrupt directory access functionality. No patch is currently available for this vulnerability.
Windows Subsystem for Linux contains a use-after-free vulnerability that enables local privilege escalation for authenticated users. An attacker with valid local access could exploit this memory safety flaw to gain elevated system privileges on affected Windows Server 2022 systems.
Windows Ancillary Function Driver for WinSock in Windows 11 23h2 and Windows Server 2022 23h2 contains a use-after-free vulnerability that allows authenticated local users to achieve privilege escalation. An attacker with local access and valid credentials can trigger the memory safety flaw to gain elevated system privileges. No patch is currently available for this HIGH severity vulnerability.
Windows HTTP.sys contains a race condition between privilege checks and resource access that enables local authenticated users to escalate privileges on Windows 10 21H2, Windows 11 23H2, and Windows Server 2025. An attacker with valid credentials can exploit this timing vulnerability to gain system-level access. No patch is currently available for this vulnerability.
Privilege escalation via heap buffer overflow in Windows Kernel (Windows 10 21H2, Windows Server 2016) allows authenticated local users to gain elevated system privileges. The vulnerability requires local access and user-level permissions, making it exploitable by authorized account holders to bypass security boundaries. No patch is currently available for this issue.
Privilege escalation in the Windows Ancillary Function Driver for WinSock affects Windows 11 and Windows Server 2022/2019, allowing authenticated local users to gain elevated system privileges. The vulnerability stems from improper access control mechanisms and currently lacks a patch. An authenticated attacker with local access can exploit this to achieve full system compromise.
Local privilege escalation in Windows Subsystem for Linux affects Windows 11 23h2 and Windows 10 22h2 through a race condition in shared resource synchronization. An authenticated local attacker can exploit this vulnerability to gain elevated privileges on the system. No patch is currently available for this vulnerability.
Windows Ancillary Function Driver for WinSock contains a heap buffer overflow vulnerability that enables authenticated local users to achieve privilege escalation on affected Windows 10 and Server 2012 systems. An attacker with valid user credentials can exploit this memory corruption flaw to execute arbitrary code with elevated privileges. No patch is currently available for this vulnerability.
Privilege escalation in Microsoft Graphics Component via use-after-free memory corruption affects Windows Server 2019 and 2012, allowing authenticated local attackers to gain elevated system privileges with user interaction. The vulnerability poses a significant risk in industrial environments where Windows Server hosts critical infrastructure. No patch is currently available for this high-severity issue.
Local privilege escalation in Windows Connected Devices Platform Service exploits a race condition in resource synchronization, allowing authenticated attackers to gain elevated privileges on affected Windows systems including Server 2022, Windows 11 25h2, and Windows 10 21h2. The vulnerability requires local access and user interaction is not needed, making it a practical attack vector for users with standard privileges. No patch is currently available.
Windows HTTP.sys contains an untrusted pointer dereference vulnerability that enables authenticated local users to escalate privileges on Windows 11 and Windows Server 2022/2025 systems. An attacker with valid credentials can exploit this flaw to gain elevated access without user interaction. No patch is currently available for this HIGH severity issue affecting multiple Windows versions.
Windows Kernel privilege escalation vulnerability in Windows 10 21H2 and Windows Server 2012 stems from improper synchronization of concurrent access to shared resources, enabling local authenticated users to gain elevated system privileges. The race condition can be triggered without user interaction and impacts confidentiality, integrity, and availability of the affected system. No patch is currently available.
Remote code execution in Microsoft Power BI Report Server exposes organizations to full system compromise via crafted network requests from authenticated low-privileged users. The flaw, rooted in CWE-20 improper input validation, carries a CVSS score of 8.8 with high confidentiality, integrity, and availability impact. Despite the elevated severity score, EPSS sits at just 0.04% (13th percentile) with no KEV listing and no known public exploit, suggesting the vulnerability is currently untargeted rather than actively weaponized.
Remote code execution in Azure Local stems from improper certificate validation, enabling unauthenticated attackers to execute arbitrary code over the network without user interaction. This HIGH severity vulnerability (CVSS 8.1) affects Azure and Azure Local deployments, with no patch currently available. Organizations using these products face immediate risk of compromise through network-based attacks exploiting this validation bypass.
.NET applications are vulnerable to spoofing attacks due to improper validation of a required security element, allowing unauthenticated remote attackers to forge or manipulate application data over the network. This vulnerability affects multiple .NET versions and currently has no available patch, exposing organizations to authentication bypass and data integrity risks. The attack requires no user interaction and can be exploited directly from the network.
Buffer over-read in Windows GDI+ allows an unauthorized attacker to deny service over a network. [CVSS 7.5 HIGH]
Local code execution in Windows Notepad stems from inadequate sanitization of command metacharacters, enabling authenticated users to execute arbitrary commands through specially crafted input. The vulnerability requires user interaction and local access, making it exploitable by attackers with limited system privileges. No patch is currently available.
Microsoft Semantic Kernel SDK has a CVSS 9.9 path traversal vulnerability enabling AI agents to access arbitrary files outside their intended scope.
Azure Arc Elevation of Privilege Vulnerability [CVSS 8.6 HIGH]
Elevation of privilege vulnerability in Azure Front Door allows attackers to gain elevated access. Microsoft Azure cloud service vulnerability affecting CDN/WAF infrastructure.
Azure Function Information Disclosure Vulnerability [CVSS 8.2 HIGH]
Microsoft Office contains a security feature bypass (CVE-2026-21509, CVSS 7.8) where reliance on untrusted inputs in security decisions allows local attackers to bypass protections designed to prevent execution of malicious content. KEV-listed with EPSS 9.3%, this vulnerability enables attackers to circumvent Office security features like Protected View or macro restrictions through crafted documents.
Privilege escalation in Microsoft Azure Resource Manager (ARM) lets a network-based attacker abuse an improper access control flaw (CWE-284) to elevate privileges and gain full read/write/impact control over resources beyond their intended authorization boundary, with a scope-changing blast radius (S:C) rated CVSS 10.0. Because ARM is the unified control-plane API that governs deployment and management of virtually all Azure resources, a successful escalation can cross tenant or subscription trust boundaries. There is no public exploit identified at time of analysis, and the EPSS score is very low (0.05%), indicating no observed weaponization despite the maximal CVSS.
M365 Copilot has an input validation vulnerability allowing unauthorized attackers to extract sensitive information through crafted prompts over the network.
Azure Front Door has an improper access control vulnerability (CVSS 9.8) allowing unauthorized attackers to elevate privileges through the CDN and WAF infrastructure.
Azure Entra ID (formerly Azure AD) has an elevation of privilege vulnerability allowing attackers to escalate permissions within the identity platform.
Azure Data Explorer exposes sensitive information to unauthenticated remote attackers through a network-accessible vulnerability requiring only user interaction. An attacker can retrieve confidential data without authorization, potentially compromising customer information stored in affected Azure deployments. No patch is currently available for this high-severity vulnerability.
Information disclosure in Microsoft 365 Word Copilot enables unauthenticated attackers to extract sensitive data through improper handling of escape and control sequences in network communications. The vulnerability requires user interaction to trigger and affects the Copilot AI/ML service with a CVSS score of 7.4. No patch is currently available.
Unauthenticated attackers can remotely access sensitive information in Microsoft Copilot Studio due to improper access controls, requiring no authentication or user interaction. This network-based vulnerability exposes confidential data to unauthorized disclosure with no patch currently available.
Microsoft Account has a cross-site scripting vulnerability allowing unauthenticated attackers to execute scripts in the context of Microsoft Account pages.
Privilege escalation in Azure Logic Apps results from improper path validation, enabling remote attackers to gain elevated access without authentication or user interaction. Organizations using Azure Logic Apps are at risk of unauthorized privilege elevation through network-based attacks, with no available patch currently provided.
Chromium-based Microsoft Edge contains a privilege management flaw that enables local authenticated users to circumvent security controls through improper access restrictions. An authorized attacker can exploit this vulnerability to gain unauthorized capabilities on the affected system, though the specific security feature being bypassed is not detailed. No patch is currently available for this high-severity issue.
Insufficient authorization controls in Microsoft Power Apps enable authenticated attackers to achieve remote code execution through network access. An attacker with valid credentials can bypass permission checks to execute arbitrary code within the affected environment. No patch is currently available for this vulnerability.
Remote code execution in Azure Core Shared Client Library for Python results from insecure deserialization of untrusted data, allowing authenticated network-based attackers to achieve arbitrary code execution. The vulnerability affects Python applications utilizing the vulnerable library versions, with no patch currently available. This represents a high-severity risk for Azure SDK consumers handling external or user-supplied serialized data.
Local privilege escalation in Azure Connected Machine Agent exploits a stack-based buffer overflow, enabling authenticated users to gain elevated system privileges. The vulnerability affects Azure and Stack Overflow deployments and requires local access with valid credentials to exploit. No patch is currently available for this high-severity issue.
Privilege escalation in Windows 11 and Windows Server 2025 Capability Access Management Service results from a race condition in resource synchronization, enabling authenticated local users to gain elevated system privileges. The vulnerability affects multiple recent Windows versions (24h2 and 25h2) and currently lacks a patch. No public exploit code has been disclosed, though the attack requires local access and moderate complexity to execute.
Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally. [CVSS 7.0 HIGH]
Windows Admin Center fails to properly validate cryptographic signatures, enabling high-privileged users to bypass security controls and gain elevated system access on local machines. This vulnerability affects both Windows and Windows Admin Center installations and requires an authenticated attacker with administrative credentials to exploit. No patch is currently available for this issue.
Microsoft Office SharePoint contains a deserialization vulnerability (CVE-2026-20963) that allows authenticated users to execute arbitrary code over the network through crafted serialized objects. KEV-listed with public PoC, this CVSS 8.8 vulnerability enables any SharePoint user to escalate to server-level code execution, making it a critical threat for organizations relying on SharePoint for document management and collaboration.
Arbitrary code execution in Microsoft Office Excel results from an integer underflow vulnerability in the Long Term Servicing Channel and Online Server editions, exploitable by local attackers with user interaction. This HIGH severity flaw (CVSS 7.8) grants full system compromise capabilities including code execution, data theft, and service disruption with no available patch.
Memory corruption in Microsoft Excel within Office 365 Apps and Long Term Servicing Channel enables local code execution through a malicious file requiring user interaction. An attacker can achieve arbitrary code execution with full system privileges by exploiting improper pointer handling in the application. No patch is currently available, leaving affected systems vulnerable until Microsoft releases a fix.
Arbitrary code execution in Microsoft Excel through unsafe pointer handling enables local attackers to achieve full system compromise without requiring elevated privileges. This vulnerability affects Microsoft 365 Apps, Office, Office Online Server, and Office Long Term Servicing Channel across multiple versions. No patch is currently available, leaving affected systems vulnerable to exploitation via maliciously crafted spreadsheets.
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. [CVSS 8.4 HIGH]
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. [CVSS 8.4 HIGH]
Local code execution in Microsoft SharePoint Server results from inadequate input validation, enabling attackers with local access to execute arbitrary code with user interaction. The vulnerability affects SharePoint deployments and carries high impact across confidentiality, integrity, and authenticity. No patch is currently available.
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. [CVSS 7.8 HIGH]
Microsoft Office Excel in the Long Term Servicing Channel and 365 Apps contains an access control bypass vulnerability that allows a local attacker with user interaction to gain unauthorized access to sensitive data and modify or delete system resources. The vulnerability requires local access and user interaction to exploit, affecting the confidentiality, integrity, and availability of affected systems. No patch is currently available.
Local code execution in Microsoft Office Word (including 365 Apps and SharePoint Server) results from unsafe pointer dereferencing that can be triggered by user interaction with a malicious document. An attacker with local access can exploit this vulnerability to execute arbitrary code with the privileges of the affected user. No patch is currently available for this vulnerability.
SQL injection in Microsoft SharePoint Server enables authenticated attackers to execute arbitrary code remotely through improper sanitization of database queries. This vulnerability affects authorized users with network access and could allow them to compromise affected systems with high-level privileges. No patch is currently available for this issue.
Local code execution in Microsoft Office Excel occurs through an out-of-bounds memory read vulnerability affecting the Long Term Servicing Channel, Office 365 Apps, and standalone Office installations. An attacker with local access and user interaction can exploit this flaw to achieve arbitrary code execution with full system privileges. No patch is currently available for this high-severity vulnerability.
Microsoft Office Word contains an out-of-bounds read vulnerability that enables local code execution on affected systems. Users of Microsoft 365 Apps and Office Long Term Servicing Channel are at risk, as an attacker with local access can exploit this memory safety flaw to execute arbitrary code with full system privileges. No patch is currently available for this high-severity vulnerability.
Untrusted search path in Microsoft Office allows an unauthorized attacker to execute code locally. [CVSS 7.0 HIGH]
Privilege escalation in Windows Task Host Process affects Windows 11 and Server 2025 through unsafe symbolic link handling, allowing authenticated local users to gain elevated system privileges. An attacker with standard user access can exploit improper link resolution to bypass access controls and execute arbitrary actions with SYSTEM-level permissions. Currently no patch is available for this vulnerability.
Windows Cloud Files Mini Filter Driver contains a heap-based buffer overflow that enables local privilege escalation on Windows 10 1809, Windows Server 2016, and Windows Server 2022. An authenticated attacker can exploit this vulnerability to gain elevated system privileges without user interaction. No patch is currently available.
Windows Virtualization-Based Security (VBS) Enclave contains an untrusted pointer dereference vulnerability that allows authenticated local users to achieve privilege escalation. The vulnerability affects Windows 11 versions 23h2, 24h2, and 25h2, and currently has no available patch. An attacker with local access can exploit this memory safety flaw to gain elevated system privileges.
Privilege escalation in Windows SMB Server (Server 2025, Windows 11 24H2, Windows 10 22H2) stems from improper synchronization of shared resources during concurrent execution, enabling authenticated network attackers to gain elevated privileges. The vulnerability requires high complexity exploitation but carries high impact across confidentiality, integrity, and availability. No patch is currently available.
Windows Telephony Service on multiple Windows versions (10, 11, Server 2008/2022) contains an improper file path control vulnerability that enables authenticated attackers on the same network to escalate privileges to system level. An attacker with local user credentials can manipulate file name or path parameters to achieve elevated privileges without user interaction. No patch is currently available, though the vulnerability has high exploitability potential (EPSS 0.8%).
Windows HTTP.sys contains an access control weakness that enables authenticated network attackers to escalate privileges on affected Windows systems including Windows 10 and Windows Server 2016/2019. The vulnerability requires low attack complexity and existing user credentials but grants complete compromise of confidentiality, integrity, and availability. No patch is currently available for this HIGH severity issue.
Privilege escalation in Windows SMB Server (versions 10 22h2, 11 23h2, and 11 25h2) stems from improper synchronization of shared resources, allowing authenticated network attackers to elevate privileges. The race condition vulnerability requires specific timing conditions but carries high impact across confidentiality, integrity, and availability. No patch is currently available for this vulnerability.
Privilege escalation in Windows Management Services via use-after-free memory corruption affects Windows 10, Windows 11, and Windows Server 2019, enabling authenticated local attackers to gain elevated system privileges. An authorized user can exploit this vulnerability through a race condition to execute arbitrary code with higher privileges. No patch is currently available for this vulnerability.
Privilege escalation in Windows Management Services affects Windows Server 2019, 2022 23h2, and 2025 through a use-after-free vulnerability that allows authenticated local attackers to gain elevated system privileges. The flaw requires low privileges and manual user interaction to trigger, potentially giving attackers complete system control. No patch is currently available for this vulnerability.
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally. [CVSS 7.8 HIGH]
Privilege escalation in Windows SMB Server (2022, 2025) stems from improper synchronization of concurrent resource access, enabling authenticated network attackers to gain elevated privileges. The vulnerability requires specific conditions to trigger but provides high-impact unauthorized access when successfully exploited. No patch is currently available for affected systems.
Windows Win32K use-after-free vulnerability in ICOMP affects Windows 11 23h2 and Windows Server 2022 23h2, enabling authenticated local attackers to achieve privilege escalation with high impact on confidentiality, integrity, and availability. Currently no patch is available, and exploitation requires local access with user-level privileges.
Windows SMB Server contains a race condition in concurrent resource handling that enables authenticated network attackers to escalate privileges on affected systems including Windows 10 22H2, Windows 10 1607, and Windows Server 2025. The vulnerability requires low attack complexity and network access from an authenticated user, but carries high impact across confidentiality, integrity, and availability. No patch is currently available for this HIGH severity issue (CVSS 7.5).
Windows Management Services on Windows 10 and 11 contains a race condition in shared resource synchronization that enables authenticated local users to escalate privileges to system level. The vulnerability affects multiple Windows versions including 22h2, 21h2, and 25h2 builds, with no patch currently available.