Microsoft has 4,599 CVEs on record between 2012 and 2026. Disclosure cadence is accelerating: 2930 in the last 90 days against 932 in the 90 before. The busiest recent month was October 2026 with 1482. The median CVSS is 7.8 (high), with 273 rated critical. 2% have been exploited in the wild, in line with the corpus average. The median gap from publication to a KEV listing is 112 days (95 cases). The dominant weakness classes are CWE-122 (931) and CWE-416 (851). Most affected products: windows_10_1607 (988), Windows 10 Version 1607 (877), 365_apps (267).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 2% vs 1% corpus
- Median CVSS
- 7.8
- Publish → KEV
- 112 d median(95)
- Last 90 days
- 2930 prev 932
Weakness classes
Products
- windows_10_1607 988
- Windows 10 Version 1607 877
- 365_apps 267
- Microsoft 365 Apps for Enterprise 232
- Windows 10 Version 1809 199
- windows_10_1809 174
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.
4599 CVEsRSS
CVE-2026-62695High· 7.8Windows Storage Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Storage allows an authorized attacker to elevate privileges locally.
CVE-2026-62693High· 7.0Windows MIDI Service Module Elevation of Privileges Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
CVE-2026-62688High· 7.8Windows MIDI Service Module Elevation of Privileges Vulnerability
Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
CVE-2026-61934High· 7.8Windows Bind Filter Driver Elevation of Privilege Vulnerability
Use after free in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-61933Medium· 5.5Windows DWM Core Library Information Disclosure Vulnerability
Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.
CVE-2026-61927High· 7.0Windows Bind Filter Driver Elevation of Privilege Vulnerability
Use after free in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-62785High· 8.8Windows LDAP - Lightweight Directory Access Protocol Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code over a network.
CVE-2026-62783High· 7.8Windows Remote Access Connection Manager Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.
CVE-2026-62779High· 7.8Windows Schannel Elevation of Privilege Vulnerability
Use after free in Windows Schannel allows an authorized attacker to elevate privileges locally.
CVE-2026-62766High· 7.0Windows Kerberos Elevation of Privilege Vulnerability
Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally.
CVE-2026-62758High· 7.8Windows Remote Access Connection Manager Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.
CVE-2026-62755High· 7.8Windows DHCP Client Elevation of Privilege Vulnerability
Stack-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges locally.
CVE-2026-62754High· 7.8Windows Kerberos Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Kerberos allows an authorized attacker to elevate privileges locally.
CVE-2026-62753High· 7.0Windows HTTP.sys Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
CVE-2026-62750Medium· 6.5Windows HTTP Protocol Stack Tampering Vulnerability
Partial string comparison in Windows HTTP Protocol Stack allows an unauthorized attacker to perform tampering over an adjacent network.
CVE-2026-62748High· 7.0Windows Telephony Service Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
CVE-2026-62747High· 7.8Windows Device Association Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Device Association Service allows an authorized attacker to elevate privileges locally.
CVE-2026-62746Medium· 5.5Win32k Information Disclosure Vulnerability
Buffer over-read in Windows Win32K allows an authorized attacker to disclose information locally.
CVE-2026-62745Medium· 6.5Windows DHCP Server Information Disclosure Vulnerability
Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.
CVE-2026-62742Medium· 6.5Windows DHCP Server Information Disclosure Vulnerability
Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.
CVE-2026-62740Medium· 5.5Windows Imaging Component Information Disclosure Vulnerability
Use of uninitialized resource in Windows Imaging Component allows an authorized attacker to disclose information locally.
CVE-2026-62739High· 7.8Windows HTTP.sys Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
CVE-2026-62737High· 7.8PoCWindows Kernel Elevation of Privilege Vulnerability
Untrusted pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-62735High· 7.8PoCWindows HTTP.sys Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
CVE-2026-62729High· 7.0Windows Telephony Service Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
CVE-2026-62724High· 7.0Windows Telephony Service Elevation of Privilege Vulnerability
Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
CVE-2026-62723High· 7.0Windows Telephony Service Elevation of Privilege Vulnerability
Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
CVE-2026-62722High· 7.8Microsoft Brokering File System Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Brokering File System allows an authorized attacker to elevate privileges locally.
CVE-2026-62894High· 7.8Windows DWM Core Library Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CVE-2026-62893Critical· 9.8Windows Deployment Services TFTP Server Remote Code Execution Vulnerability
Use after free in Windows Deployment Services allows an unauthorized attacker to execute code over a network.