Microsoft has 2,953 CVEs on record between 2013 and 2026. Disclosure cadence is accelerating: 2137 in the last 90 days against 419 in the 90 before. The busiest recent month was September 2026 with 1005. The median CVSS is 7.8 (high), with 178 rated critical. 3% have been exploited in the wild, in line with the corpus average. The median gap from publication to a KEV listing is 113 days (91 cases). The dominant weakness classes are CWE-122 (585) and CWE-416 (512). Most affected products: windows_10_1607 (644), Windows 10 Version 1607 (481), Microsoft 365 Apps for Enterprise (209).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 3% vs 1% corpus
- Median CVSS
- 7.8
- Publish → KEV
- 113 d median(91)
- Last 90 days
- 2137 prev 419
Weakness classes
Products
- windows_10_1607 644
- Windows 10 Version 1607 481
- Microsoft 365 Apps for Enterprise 209
- windows_10 122
- 365_apps 115
- windows_10_1809 106
Worst active — by depth score
CVE-2025-53770Critical· 9.8Deserialization of untrusted data in on-premises Microsoft SharePoint Server allows an unauthorized attacker to execute code over a network. Microsoft is aware that an exploit for CVE-2025-53770 exists in the wild. Microsoft is preparing…100CVE-2021-38647Critical· 9.8Open Management Infrastructure (OMI) Remote Code Execution Vulnerability100CVE-2021-34473Critical· 9.1Microsoft Exchange Server Remote Code Execution Vulnerability100CVE-2021-26855Critical· 9.1Microsoft Exchange Server Remote Code Execution Vulnerability100CVE-2020-0796Critical· 10.0A remote code execution vulnerability exists in the way that the Microsoft Server Message Block 3.1.1 (SMBv3) protocol handles certain requests, aka 'Windows SMBv3 Client/Server Remote Code Execution Vulnerability'.100
microsoft vulnerabilities
CVEs affecting microsoft, newest first. Open any entry for full detail, references, and exploit status.
2953 CVEsRSS
CVE-2026-61349High· 7.8Use after free in Windows Work Folder Service allows an authorized attacker to elevate privileges locally.
Use after free in Windows Work Folder Service allows an authorized attacker to elevate privileges locally.
CVE-2026-61348High· 7.0Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-61347Medium· 5.5Buffer over-read in Windows Event Logging Service allows an authorized attacker to disclose information locally.
Buffer over-read in Windows Event Logging Service allows an authorized attacker to disclose information locally.
CVE-2026-61346High· 7.0Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.
Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-61345Medium· 6.5Null pointer dereference in Microsoft Remote Registry Service allows an authorized attacker to deny service over a network.
Null pointer dereference in Microsoft Remote Registry Service allows an authorized attacker to deny service over a network.
CVE-2026-59138Medium· 6.5Null pointer dereference in Microsoft Remote Registry Service allows an authorized attacker to deny service over a network.
Null pointer dereference in Microsoft Remote Registry Service allows an authorized attacker to deny service over a network.
CVE-2026-59137Medium· 5.5Use of uninitialized resource in Windows Event Logging Service allows an authorized attacker to disclose information locally.
Use of uninitialized resource in Windows Event Logging Service allows an authorized attacker to disclose information locally.
CVE-2026-59136Medium· 5.5Use of uninitialized resource in Microsoft COM for Windows allows an authorized attacker to disclose information locally.
Use of uninitialized resource in Microsoft COM for Windows allows an authorized attacker to disclose information locally.
CVE-2026-59135Medium· 5.5Weak authentication in Microsoft Windows Search Component allows an authorized attacker to disclose information locally.
Weak authentication in Microsoft Windows Search Component allows an authorized attacker to disclose information locally.
CVE-2026-59134High· 7.5Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVE-2026-59132High· 7.5Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over a network.
Null pointer dereference in Windows TCP/IP allows an unauthorized attacker to deny service over a network.
CVE-2026-59131Medium· 5.6No cwe for this issue in AMD Zen allows an authorized attacker to disclose information locally.
No cwe for this issue in AMD Zen allows an authorized attacker to disclose information locally.
CVE-2026-59130Medium· 5.6No cwe for this issue in AMD Zen allows an authorized attacker to disclose information locally.
No cwe for this issue in AMD Zen allows an authorized attacker to disclose information locally.
CVE-2026-59128Medium· 5.5Out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to disclose information locally.
Out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to disclose information locally.
CVE-2026-59127High· 7.8Integer overflow or wraparound in Windows Installer allows an authorized attacker to elevate privileges locally.
Integer overflow or wraparound in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-59125High· 7.0Use after free in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.
Use after free in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-59124Critical· 9.8Deserialization of untrusted data in Microsoft High Performance Computing (HPC) Pack allows an unauthorized attacker to execute code over a network.
Deserialization of untrusted data in Microsoft High Performance Computing (HPC) Pack allows an unauthorized attacker to execute code over a network.
CVE-2026-59122High· 7.0Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
CVE-2026-57104High· 8.8Improper neutralization of input during web page generation ('cross-site scripting') in Azure Storage Explorer allows an unauthorized attacker to elevate privileges over a network.
Improper neutralization of input during web page generation ('cross-site scripting') in Azure Storage Explorer allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-56174High· 7.8Untrusted search path in Windows Narrator Braille allows an authorized attacker to elevate privileges locally.
Untrusted search path in Windows Narrator Braille allows an authorized attacker to elevate privileges locally.
CVE-2026-54984High· 7.8PoCHeap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code locally.
Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code locally.
CVE-2026-54113High· 7.5Allocation of resources without limits or throttling in Windows Kernel allows an unauthorized attacker to deny service over a network.
Allocation of resources without limits or throttling in Windows Kernel allows an unauthorized attacker to deny service over a network.
CVE-2026-50472High· 7.0Heap-based buffer overflow in Windows LUAFV allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows LUAFV allows an authorized attacker to elevate privileges locally.
CVE-2026-49179High· 8.8PoCImproper neutralization of special elements used in a command ('command injection') in Windows Active Directory allows an unauthorized attacker to execute code over a network.
Improper neutralization of special elements used in a command ('command injection') in Windows Active Directory allows an unauthorized attacker to execute code over a network.
CVE-2026-42976High· 7.8Missing authentication for critical function in Windows RPC API allows an authorized attacker to elevate privileges locally.
Missing authentication for critical function in Windows RPC API allows an authorized attacker to elevate privileges locally.
CVE-2026-65767High· 8.8Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Teams for Android allows an authorized attacker to perform spoofing over a network.
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Teams for Android allows an authorized attacker to perform spoofing over a network.
CVE-2026-65769Medium· 6.5Exposure of sensitive information to an unauthorized actor in Microsoft Teams Mobile allows an unauthorized attacker to disclose information over a network.
Exposure of sensitive information to an unauthorized actor in Microsoft Teams Mobile allows an unauthorized attacker to disclose information over a network.
CVE-2026-62902Medium· 6.5.NET Information Disclosure Vulnerability
Inclusion of functionality from untrusted control sphere in .NET allows an unauthorized attacker to disclose information over a network.
CVE-2026-62901High· 7.5.NET Denial of Service Vulnerability
Unchecked input for loop condition in .NET allows an unauthorized attacker to deny service over a network.
CVE-2026-62886High· 7.8Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.
Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.