microsoft has 4,598 CVEs on record between 2012 and 2026. Disclosure cadence is accelerating: 2929 in the last 90 days against 934 in the 90 before. The busiest recent month was October 2026 with 1482. The median CVSS is 7.8 (high), with 272 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
- 2929 prev 934
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.
4598 CVEsRSS
CVE-2026-96912High· 7.8Use after free in Windows Client License Service allows an authorized attacker to elevate privileges locally.
Use after free in Windows Client License Service allows an authorized attacker to elevate privileges locally.
CVE-2026-96911High· 7.8Improper link resolution before file access ('link following') in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
Improper link resolution before file access ('link following') in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
CVE-2026-96910Medium· 5.5Untrusted pointer dereference in Microsoft Windows Search Component allows an authorized attacker to disclose information locally.
Untrusted pointer dereference in Microsoft Windows Search Component allows an authorized attacker to disclose information locally.
CVE-2026-96909Critical· 9.8Heap-based buffer overflow in Windows BitLocker allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Windows BitLocker allows an unauthorized attacker to execute code over a network.
CVE-2026-96868High· 7.0Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-96867High· 7.8Out-of-bounds read in Windows NTFS allows an authorized attacker to execute code locally.
Out-of-bounds read in Windows NTFS allows an authorized attacker to execute code locally.
CVE-2026-96866High· 7.5Out-of-bounds read in Network Device Enrollment Service (NDES) allows an unauthorized attacker to deny service over a network.
Out-of-bounds read in Network Device Enrollment Service (NDES) allows an unauthorized attacker to deny service over a network.
CVE-2026-96865Medium· 5.6Exposure of sensitive system information to an unauthorized control sphere in Windows Secure Kernel Mode allows an authorized attacker to disclose information locally.
Exposure of sensitive system information to an unauthorized control sphere in Windows Secure Kernel Mode allows an authorized attacker to disclose information locally.
CVE-2026-96864Critical· 9.8Double free in Microsoft Failover Cluster Virtual Driver allows an unauthorized attacker to execute code over a network.
Double free in Microsoft Failover Cluster Virtual Driver allows an unauthorized attacker to execute code over a network.
CVE-2026-96863Medium· 6.8Heap-based buffer overflow in Windows Storage Port Driver allows an unauthorized attacker to elevate privileges with a physical attack.
Heap-based buffer overflow in Windows Storage Port Driver allows an unauthorized attacker to elevate privileges with a physical attack.
CVE-2026-96862High· 7.8Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.
Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.
CVE-2026-96861High· 7.5Out-of-bounds read in Network Device Enrollment Service (NDES) allows an unauthorized attacker to deny service over a network.
Out-of-bounds read in Network Device Enrollment Service (NDES) allows an unauthorized attacker to deny service over a network.
CVE-2026-96860Medium· 5.5Out-of-bounds read in Windows USB Print Driver allows an authorized attacker to disclose information locally.
Out-of-bounds read in Windows USB Print Driver allows an authorized attacker to disclose information locally.
CVE-2026-96859Medium· 5.5Out-of-bounds read in Windows Imaging Component allows an authorized attacker to disclose information locally.
Out-of-bounds read in Windows Imaging Component allows an authorized attacker to disclose information locally.
CVE-2026-96858Medium· 5.5Missing authentication for critical function in Windows Security Account Manager allows an authorized attacker to perform tampering locally.
Missing authentication for critical function in Windows Security Account Manager allows an authorized attacker to perform tampering locally.
CVE-2026-96857Medium· 5.5Files or directories accessible to external parties in Windows Projected File System allows an authorized attacker to disclose information locally.
Files or directories accessible to external parties in Windows Projected File System allows an authorized attacker to disclose information locally.
CVE-2026-96856High· 7.8Heap-based buffer overflow in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally.
CVE-2026-96855Medium· 5.5Improper access control in Windows Modern Device Management (MDM) allows an authorized attacker to perform tampering locally.
Improper access control in Windows Modern Device Management (MDM) allows an authorized attacker to perform tampering locally.
CVE-2026-96854Medium· 5.5Access of resource using incompatible type ('type confusion') in Windows Device Association Service allows an authorized attacker to disclose information locally.
Access of resource using incompatible type ('type confusion') in Windows Device Association Service allows an authorized attacker to disclose information locally.
CVE-2026-96853Medium· 4.7Time-of-check time-of-use (toctou) race condition in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.
Time-of-check time-of-use (toctou) race condition in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.
CVE-2026-96852High· 7.0Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
Use after free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
CVE-2026-96851Medium· 5.5Buffer over-read in Windows Management Instrumentation allows an authorized attacker to disclose information locally.
Buffer over-read in Windows Management Instrumentation allows an authorized attacker to disclose information locally.
CVE-2026-96850Medium· 5.5Use of uninitialized resource in Windows Modern Device Management (MDM) allows an authorized attacker to disclose information locally.
Use of uninitialized resource in Windows Modern Device Management (MDM) allows an authorized attacker to disclose information locally.
CVE-2026-96849Medium· 5.5Use of uninitialized resource in Windows Kernel-Mode Drivers allows an authorized attacker to disclose information locally.
Use of uninitialized resource in Windows Kernel-Mode Drivers allows an authorized attacker to disclose information locally.
CVE-2026-96848Medium· 5.5Buffer over-read in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.
Buffer over-read in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.
CVE-2026-96847High· 7.8Untrusted pointer dereference in WebDAV allows an authorized attacker to elevate privileges locally.
Untrusted pointer dereference in WebDAV allows an authorized attacker to elevate privileges locally.
CVE-2026-96846Medium· 5.5Out-of-bounds read in WebDAV allows an authorized attacker to disclose information locally.
Out-of-bounds read in WebDAV allows an authorized attacker to disclose information locally.
CVE-2026-96844High· 8.0Integer underflow (wrap or wraparound) in Microsoft Bluetooth Driver allows an authorized attacker to elevate privileges over an adjacent network.
Integer underflow (wrap or wraparound) in Microsoft Bluetooth Driver allows an authorized attacker to elevate privileges over an adjacent network.
CVE-2026-96843High· 7.8Heap-based buffer overflow in WebDAV allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in WebDAV allows an authorized attacker to elevate privileges locally.
CVE-2026-96325High· 7.5Missing reference to active allocated resource in Windows SMB Server allows an unauthorized attacker to deny service over a network.
Missing reference to active allocated resource in Windows SMB Server allows an unauthorized attacker to deny service over a network.