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 (639), Windows 10 Version 1607 (486), 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 639
- Windows 10 Version 1607 486
- 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-2026-62750Medium· 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.
CVE-2026-62892High· 7.0Capability Access Management Service (camsvc) Elevation of Privilege Vulnerability
Use after free in Capability Access Management Service (camsvc) allows an authorized attacker to elevate privileges locally.
CVE-2026-62890High· 7.8Windows GDI+ Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows GDI+ allows an authorized attacker to execute code locally.
CVE-2026-62889High· 8.1Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability
Double free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to execute code over a network.
CVE-2026-62878Critical· 9.8PoCWindows DNS Server Remote Code Execution Vulnerability
Stack-based buffer overflow in Windows DNS allows an unauthorized attacker to execute code over a network.
CVE-2026-62877High· 7.8Windows Win32k Elevation of Privilege Vulnerability
Stack-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.
CVE-2026-62876High· 7.8Windows Win32k Elevation of Privilege Vulnerability
Out-of-bounds read in Windows Win32K allows an authorized attacker to elevate privileges locally.
CVE-2026-62820High· 8.1Windows DNS Server Remote Code Execution Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DNS allows an unauthorized attacker to execute code over a network.
CVE-2026-62819High· 8.1Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine
CVE-2026-62818High· 8.8Windows Active Directory Certificate Services (AD CS) Remote Code Execution Vulnerability
Use after free in Active Directory Certificate Services (AD CS) allows an authorized attacker to execute code over a network.
CVE-2026-62817High· 8.8Windows DNS Server Remote Code Execution Vulnerability
Out-of-bounds write in Windows DNS allows an unauthorized attacker to execute code over an adjacent network.
CVE-2026-62816High· 8.8Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
Heap-based buffer overflow in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network.
CVE-2026-62815Critical· 9.8Microsoft QUIC Remote Code Execution Vulnerability
Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network.
CVE-2026-62812High· 7.8Windows DHCP Server Elevation of Privilege Vulnerability
Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.
CVE-2026-62798Medium· 5.5Win32k Information Disclosure Vulnerability
Untrusted pointer dereference in Windows Win32K allows an authorized attacker to disclose information locally.