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 (635), Windows 10 Version 1607 (490), 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 635
- Windows 10 Version 1607 490
- Microsoft 365 Apps for Enterprise 209
- windows_10 122
- 365_apps 115
- windows_10_1809 103
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-2026-69769Critical· 9.8Heap-based buffer overflow in Windows HTTP Print Provider allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Windows HTTP Print Provider allows an unauthorized attacker to execute code over a network.
CVE-2026-69768Critical· 9.8Heap-based buffer overflow in Windows RNDIS allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Windows RNDIS allows an unauthorized attacker to execute code over a network.
CVE-2026-69767High· 8.8Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.
Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.
CVE-2026-69764High· 8.8Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
CVE-2026-69762High· 8.0Stack-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges over a network.
Stack-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges over a network.
CVE-2026-69761High· 7.1Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges over a network.
Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges over a network.
CVE-2026-69760High· 7.5Out-of-bounds read in Windows Kerberos allows an unauthorized attacker to deny service over a network.
Out-of-bounds read in Windows Kerberos allows an unauthorized attacker to deny service over a network.
CVE-2026-69759High· 8.8Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
CVE-2026-69758High· 7.8Heap-based buffer overflow in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
CVE-2026-69757High· 7.1Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges over a network.
Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges over a network.
CVE-2026-69744High· 7.5Null pointer dereference in Windows Kerberos allows an unauthorized attacker to deny service over a network.
Null pointer dereference in Windows Kerberos allows an unauthorized attacker to deny service over a network.
CVE-2026-69742High· 8.8Integer overflow or wraparound in Microsoft Office Publisher allows an unauthorized attacker to execute code over a network.
Integer overflow or wraparound in Microsoft Office Publisher allows an unauthorized attacker to execute code over a network.
CVE-2026-69741Medium· 5.5Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to disclose information locally.
Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to disclose information locally.
CVE-2026-69740High· 8.8Use after free in Windows Hello allows an authorized attacker to elevate privileges locally.
Use after free in Windows Hello allows an authorized attacker to elevate privileges locally.
CVE-2026-69739Medium· 6.5Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information over a network.
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information over a network.
CVE-2026-69738High· 7.8Integer overflow or wraparound in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
Integer overflow or wraparound in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69735High· 7.0Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69734Medium· 6.5Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Integer overflow or wraparound in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
CVE-2026-69732High· 8.1Heap-based buffer overflow in Windows Link Layer Topology Discovery Protocol allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Windows Link Layer Topology Discovery Protocol allows an unauthorized attacker to execute code over a network.
CVE-2026-69731High· 7.8Heap-based buffer overflow in HID class driver allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in HID class driver allows an authorized attacker to elevate privileges locally.
CVE-2026-69730Critical· 9.8Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.
Use after free in Windows DNS allows an unauthorized attacker to execute code over a network.
CVE-2026-69729High· 8.8Heap-based buffer overflow in Windows Credential Providers allows an authorized attacker to execute code over a network.
Heap-based buffer overflow in Windows Credential Providers allows an authorized attacker to execute code over a network.
CVE-2026-69727High· 8.0Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges over a network.
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges over a network.
CVE-2026-69725High· 7.8Double free in Windows Hello allows an authorized attacker to elevate privileges locally.
Double free in Windows Hello allows an authorized attacker to elevate privileges locally.
CVE-2026-69724High· 8.8Missing authorization in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Missing authorization in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVE-2026-69723Medium· 5.7Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an authorized attacker to disclose information over a network.
Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an authorized attacker to disclose information over a network.
CVE-2026-69722High· 8.8Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
CVE-2026-69720High· 7.8Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
CVE-2026-69719Medium· 6.5Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
CVE-2026-69717High· 8.0Untrusted pointer dereference in Windows Group Policy allows an authorized attacker to elevate privileges over a network.
Untrusted pointer dereference in Windows Group Policy allows an authorized attacker to elevate privileges over a network.