CVE Intelligence

Microsoft vulnerabilities

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Published CVEs affecting Microsoft products: 5261 record(s), with severity, exploitation and fixes.

Exploited only (KEV) →

CVE-2026-56170 High · 7.5 CWE-770 Jul 14, 2026
ASP.NET Core Denial of Service Vulnerability
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
CVE-2026-56169 High · 8.8 CWE-287 Jul 14, 2026
Windows Admin Center Elevation of Privilege Vulnerability
Improper authentication in Windows Admin Center allows an authorized attacker to elevate privileges over a network.
CVE-2026-55948 High · 7.8 CWE-416 Jul 14, 2026
Microsoft Excel Remote Code Execution Vulnerability
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55899 High · 7.8 CWE-20 Jul 14, 2026
Microsoft Excel Remote Code Execution Vulnerability
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2026-55144 High · 7.1 CWE-325 Jul 14, 2026
Windows Cryptography API: Next Generation (CNG) Tampering Vulnerability
Missing cryptographic step in Windows CryptoAPI allows an authorized attacker to perform tampering locally.
CVE-2026-55014 High · 7.8 CWE-284 Jul 14, 2026
Windows Remote Help Defense Elevation of Privilege Vulnerability
Improper access control in Windows Remote Help Defense allows an authorized attacker to elevate privileges locally.
CVE-2026-55012 High · 7.8 CWE-122 Jul 14, 2026
Microsoft Defender Remote Code Execution Vulnerability
Integer overflow or wraparound in Microsoft Defender allows an unauthorized attacker to execute code locally.
CVE-2026-56164 Critical · 9.8 KEV High · 63 Public exploit CWE-306 Jul 14, 2026
Microsoft SharePoint Server Missing Authentication for Critical Function Vulnerability
Missing authentication for critical function in Microsoft Office SharePoint allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-56155 High · 7.8 KEV High · 45 CWE-1220 Jul 14, 2026
Microsoft Active Directory Federation Services Insufficient Granularity of Access Control Vulnerability
Insufficient granularity of access control in Active Directory Federation Services (AD FS) allows an authorized attacker to elevate privileges locally.
CVE-2026-55011 High · 7.8 CWE-191 Jul 14, 2026
Microsoft Defender Remote Code Execution Vulnerability
Integer underflow (wrap or wraparound) in Microsoft Defender allows an unauthorized attacker to execute code locally.
CVE-2026-55009 High · 7.8 CWE-502 Jul 14, 2026
Microsoft Exchange Server Elevation of Privilege Vulnerability
Deserialization of untrusted data in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.
CVE-2026-55008 Critical · 9.6 CWE-79 Jul 14, 2026
Microsoft Exchange Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-55006 High · 7.8 CWE-1220 Jul 14, 2026
Microsoft Exchange Server Elevation of Privilege Vulnerability
Insufficient granularity of access control in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.
CVE-2026-55004 High · 7.8 CWE-415 Jul 14, 2026
Windows Print Configuration Elevation of Privilege Vulnerability
Double free in Microsoft Printer Drivers allows an authorized attacker to elevate privileges locally.
CVE-2026-55003 Medium · 6.5 CWE-908 Jul 14, 2026
Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
CVE-2026-55002 High · 8.8 CWE-73 Jul 14, 2026
Microsoft SQL Server Elevation of Privilege Vulnerability
External control of file name or path in SQL Server allows an authorized attacker to elevate privileges over a network.
CVE-2026-55005 High · 8.8 CWE-122 Jul 14, 2026
Microsoft Exchange Server Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Exchange Server allows an authorized attacker to execute code over a network.
CVE-2026-55001 High · 7.8 CWE-295 Jul 14, 2026
Active Directory Domain Services Elevation of Privilege Vulnerability
Improper certificate validation in Windows Active Directory allows an authorized attacker to elevate privileges locally.
CVE-2026-55000 Medium · 6.4 CWE-416 Jul 14, 2026
Windows USB Print Driver Elevation of Privilege Vulnerability
Use after free in Windows USB Print Driver allows an unauthorized attacker to elevate privileges with a physical attack.
CVE-2026-54999 High · 8.8 CWE-362 Jul 14, 2026
Windows TCP/IP Remote Code Execution Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an unauthorized attacker to execute code over an adjacent network.
CVE-2026-54997 Medium · 5.5 CWE-908 Jul 14, 2026
Windows SMB Information Disclosure Vulnerability
Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally.
CVE-2026-54996 High · 7.0 CWE-125 Jul 14, 2026
Windows USB Print Driver Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-54995 Critical · 9.8 CWE-416 Jul 14, 2026
Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.
CVE-2026-54993 High · 7.8 CWE-122 Jul 14, 2026
Microsoft Windows Media Foundation Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally.
CVE-2026-54992 High · 7.8 CWE-122 Jul 14, 2026
Microsoft Message Queuing Queue Manager Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute code locally.