Microsoft has 4,599 CVEs on record between 2012 and 2026. Disclosure cadence is accelerating: 2930 in the last 90 days against 932 in the 90 before. The busiest recent month was October 2026 with 1482. The median CVSS is 7.8 (high), with 273 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
- 2930 prev 932
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.
4599 CVEsRSS
CVE-2026-69787High· 7.8Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69786High· 8.1Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code over a network.
CVE-2026-69785High· 7.8Untrusted search path in Windows Smart Card allows an authorized attacker to elevate privileges locally.
Untrusted search path in Windows Smart Card allows an authorized attacker to elevate privileges locally.
CVE-2026-69784High· 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-2026-69782High· 8.1Concurrent execution using shared resource with improper synchronization ('race condition') in DNS Server allows an unauthorized attacker to execute code over a network.
Concurrent execution using shared resource with improper synchronization ('race condition') in DNS Server allows an unauthorized attacker to execute code over a network.
CVE-2026-69781Medium· 6.5Missing release of memory after effective lifetime in Windows DHCP Client allows an unauthorized attacker to deny service over an adjacent network.
Missing release of memory after effective lifetime in Windows DHCP Client allows an unauthorized attacker to deny service over an adjacent network.
CVE-2026-69779High· 7.0Time-of-check time-of-use (toctou) race condition in Windows Win32K allows an authorized attacker to elevate privileges locally.
Time-of-check time-of-use (toctou) race condition in Windows Win32K allows an authorized attacker to elevate privileges locally.
CVE-2026-69778High· 8.8Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
CVE-2026-69777High· 8.0Heap-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges over an adjacent network.
Heap-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges over an adjacent network.
CVE-2026-69775High· 7.1Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges over a network.
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges over a network.
CVE-2026-69773High· 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-2026-69772High· 8.8Heap-based buffer overflow in Windows Network File System allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Windows Network File System allows an unauthorized attacker to execute code over a network.
CVE-2026-69771Medium· 4.7Improper link resolution before file access ('link following') in Windows Container Manager Service allows an authorized attacker to bypass a security feature locally.
Improper link resolution before file access ('link following') in Windows Container Manager Service allows an authorized attacker to bypass a security feature locally.
CVE-2026-69770Medium· 5.5Use of uninitialized resource in Windows Spaceport.sys allows an authorized attacker to disclose information locally.
Use of uninitialized resource in Windows Spaceport.sys allows an authorized attacker to disclose information locally.
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.