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-2026-88125Medium· 6.5Out-of-bounds read in DNS Server allows an authorized attacker to deny service over a network.
Out-of-bounds read in DNS Server allows an authorized attacker to deny service over a network.
CVE-2026-88124High· 7.0Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-88123Medium· 6.5Out-of-bounds read in DNS Server allows an authorized attacker to deny service over a network.
Out-of-bounds read in DNS Server allows an authorized attacker to deny service over a network.
CVE-2026-88122Medium· 6.5Out-of-bounds read in DNS Server allows an authorized attacker to deny service over a network.
Out-of-bounds read in DNS Server allows an authorized attacker to deny service over a network.
CVE-2026-88121High· 8.0Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code over a network.
Use after free in Windows Background Intelligent Transfer Service (BITS) allows an unauthorized attacker to execute code over a network.
CVE-2026-88120High· 8.1Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
CVE-2026-88119High· 8.1Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
CVE-2026-88118High· 7.8Integer overflow or wraparound in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.
Integer overflow or wraparound in Windows Background Intelligent Transfer Service (BITS) allows an authorized attacker to elevate privileges locally.
CVE-2026-88117High· 8.1Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
Use after free in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
CVE-2026-88116High· 8.8Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.
Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.
CVE-2026-88115High· 8.8Out-of-bounds read in Windows Server for NFS allows an unauthorized attacker to execute code over a network.
Out-of-bounds read in Windows Server for NFS allows an unauthorized attacker to execute code over a network.
CVE-2026-88114High· 8.8Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.
Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.
CVE-2026-88113High· 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-2026-88112High· 8.8Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.
Untrusted pointer dereference in DNS Server allows an unauthorized attacker to execute code over a network.
CVE-2026-88110High· 7.0Heap-based buffer overflow in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-88109High· 7.8Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.
Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.
CVE-2026-88107High· 7.0Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-88106High· 7.0Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-88105High· 7.8Use 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-2026-88103High· 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-2026-88102Critical· 9.8Use after free in Windows Failover Cluster allows an unauthorized attacker to execute code over a network.
Use after free in Windows Failover Cluster allows an unauthorized attacker to execute code over a network.
CVE-2026-88101High· 7.8Weak authentication in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally.
Weak authentication in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally.
CVE-2026-88100High· 7.8Use after free in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
Use after free in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
CVE-2026-88099Medium· 5.9Uncaught exception in Windows Failover Cluster allows an unauthorized attacker to deny service over a network.
Uncaught exception in Windows Failover Cluster allows an unauthorized attacker to deny service over a network.
CVE-2026-88098High· 7.0Untrusted pointer dereference in Windows Security Support Provider Interface allows an authorized attacker to elevate privileges locally.
Untrusted pointer dereference in Windows Security Support Provider Interface allows an authorized attacker to elevate privileges locally.
CVE-2026-88096High· 7.0Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DCOM Server allows an authorized attacker to elevate privileges locally.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DCOM Server allows an authorized attacker to elevate privileges locally.
CVE-2026-88094High· 8.1Improper neutralization of special elements in output used by a downstream component ('injection') in Azure Storage Library allows an authorized attacker to elevate privileges over a network.
Improper neutralization of special elements in output used by a downstream component ('injection') in Azure Storage Library allows an authorized attacker to elevate privileges over a network.
CVE-2026-88093High· 7.8Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
CVE-2026-88092Critical· 9.4Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to perform tampering over a network.
Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to perform tampering over a network.
CVE-2026-88091High· 7.8Deserialization of untrusted data in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally.
Deserialization of untrusted data in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally.