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 (643), Windows 10 Version 1607 (482), 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 643
- Windows 10 Version 1607 482
- 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-2026-62807High· 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-2026-62803High· 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-2026-62800High· 8.8Windows SMBv3 Server Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows SMB Server allows an authorized attacker to execute code over a network.
CVE-2026-62799High· 7.8Windows SMB Client Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows SMB Client allows an authorized attacker to elevate privileges locally.
CVE-2026-62793Medium· 5.5Windows NTFS Information Disclosure Vulnerability
Buffer over-read in Windows NTFS allows an authorized attacker to disclose information locally.
CVE-2026-62790High· 8.8Windows SMBv3 Server Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows SMB Server allows an authorized attacker to execute code over a network.
CVE-2026-62788High· 7.0Windows Kernel Elevation of Privilege Vulnerability
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-62786Medium· 5.5Win32k Information Disclosure Vulnerability
Out-of-bounds read in Windows Win32K allows an authorized attacker to disclose information locally.
CVE-2026-62782Medium· 6.5Windows SMB Client Information Disclosure Vulnerability
Out-of-bounds read in Windows SMB Client allows an unauthorized attacker to disclose information over a network.
CVE-2026-62781High· 8.1RPC Runtime Library Remote Code Execution Vulnerability
Heap-based buffer overflow in RPC Runtime allows an unauthorized attacker to execute code over a network.
CVE-2026-62780High· 7.0Windows Kernel Elevation of Privilege Vulnerability
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-62778High· 8.1Windows DNS Elevation of Privilege Vulnerability
Use after free in Windows DNS allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-62776High· 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-2026-62775Medium· 5.5Windows Container Isolation FS Filter Driver (unionfs.sys) Information Disclosure Vulnerability
Incorrect authorization in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to disclose information locally.
CVE-2026-62771High· 7.8Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-62770High· 7.8Windows Shell Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Shell allows an authorized attacker to elevate privileges locally.
CVE-2026-62769Medium· 6.7Windows DNS Elevation of Privilege Vulnerability
Numeric truncation error in Windows DNS allows an authorized attacker to elevate privileges locally.
CVE-2026-62768High· 7.8Windows Installer Elevation of Privilege Vulnerability
Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-62761High· 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-2026-62757Medium· 5.3Windows Schannel Security Feature Bypass Vulnerability
Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-62752High· 7.8Windows Kerberos Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Kerberos allows an authorized attacker to elevate privileges locally.
CVE-2026-62751High· 7.8Windows Projected File System Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows Projected File System allows an authorized attacker to elevate privileges locally.
CVE-2026-62749High· 7.0Windows Kernel Elevation of Privilege Vulnerability
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-62743Medium· 5.5Win32k Information Disclosure Vulnerability
Out-of-bounds read in Windows Win32K allows an authorized attacker to disclose information locally.
CVE-2026-62741High· 7.8Windows HTTP.sys Elevation of Privilege Vulnerability
Integer underflow (wrap or wraparound) in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
CVE-2026-62736High· 7.8Windows DHCP Client Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges locally.
CVE-2026-62734High· 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-2026-62732High· 7.8Windows Telephony Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
CVE-2026-62730Medium· 5.5Windows Wired AutoConfig Service Information Disclosure Vulnerability
Buffer over-read in Windows Wired AutoConfig Service allows an authorized attacker to disclose information locally.
CVE-2026-64902Medium· 4.6Microsoft SharePoint Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.