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 (644), Windows 10 Version 1607 (481), 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 644
- Windows 10 Version 1607 481
- 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-2026-62699Medium· 6.8Null pointer dereference in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to execute code locally.
Null pointer dereference in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to execute code locally.
CVE-2026-62698High· 7.8Numeric truncation error in Microsoft Digest Authentication allows an authorized attacker to elevate privileges locally.
Numeric truncation error in Microsoft Digest Authentication allows an authorized attacker to elevate privileges locally.
CVE-2026-62696High· 7.8Integer underflow (wrap or wraparound) in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
Integer underflow (wrap or wraparound) in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
CVE-2026-62692High· 7.8Heap-based buffer overflow in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.
CVE-2026-62690High· 7.0Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
CVE-2026-61939High· 7.0Use after free in Winlogon allows an authorized attacker to elevate privileges locally.
Use after free in Winlogon allows an authorized attacker to elevate privileges locally.
CVE-2026-61937High· 7.8Integer overflow or wraparound in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
Integer overflow or wraparound in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
CVE-2026-61936Medium· 5.5Missing authorization in Windows Defender Firewall Service allows an authorized attacker to bypass a security feature locally.
Missing authorization in Windows Defender Firewall Service allows an authorized attacker to bypass a security feature locally.
CVE-2026-61932High· 7.8Access of resource using incompatible type ('type confusion') in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
Access of resource using incompatible type ('type confusion') in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CVE-2026-61930High· 7.8Heap-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-2026-61928Medium· 5.5Cleartext storage of sensitive information in Windows Hello allows an authorized attacker to perform tampering locally.
Cleartext storage of sensitive information in Windows Hello allows an authorized attacker to perform tampering locally.
CVE-2026-61926High· 7.8Heap-based buffer overflow in Windows USB Driver allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows USB Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-61925High· 7.8Incorrect authorization in Windows Installer allows an authorized attacker to elevate privileges locally.
Incorrect authorization in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-61924Medium· 6.5Out-of-bounds read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network.
Out-of-bounds read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network.
CVE-2026-61923High· 7.8Heap-based buffer overflow in Windows Display Enhancement Service allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Display Enhancement Service allows an authorized attacker to elevate privileges locally.
CVE-2026-61921Medium· 6.5Out-of-bounds read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network.
Out-of-bounds read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network.
CVE-2026-61920Medium· 6.6Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DNS allows an authorized attacker to execute code over a network.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DNS allows an authorized attacker to execute code over a network.
CVE-2026-61918Medium· 6.5Out-of-bounds read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network.
Out-of-bounds read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network.
CVE-2026-61368Medium· 5.0Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to disclose information locally.
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to disclose information locally.
CVE-2026-61367High· 7.8Missing authentication for critical function in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.
Missing authentication for critical function in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.
CVE-2026-61366High· 7.0Double free in Windows Network Connection Broker allows an authorized attacker to elevate privileges locally.
Double free in Windows Network Connection Broker allows an authorized attacker to elevate privileges locally.
CVE-2026-61365High· 7.8Missing authentication for critical function in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.
Missing authentication for critical function in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.
CVE-2026-61364High· 7.8Missing authentication for critical function in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.
Missing authentication for critical function in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.
CVE-2026-61363High· 7.5Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVE-2026-61360Medium· 5.5Untrusted pointer dereference in Windows GDI allows an authorized attacker to disclose information locally.
Untrusted pointer dereference in Windows GDI allows an authorized attacker to disclose information locally.
CVE-2026-61358High· 7.8Improper link resolution before file access ('link following') in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to elevate privileges locally.
Improper link resolution before file access ('link following') in Windows Accessibility Infrastructure (ATBroker.exe) allows an authorized attacker to elevate privileges locally.
CVE-2026-61356High· 7.8Missing authentication for critical function in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.
Missing authentication for critical function in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.
CVE-2026-61353High· 7.8Heap-based buffer overflow in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
CVE-2026-61352High· 7.5Concurrent execution using shared resource with improper synchronization ('race condition') in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
Concurrent execution using shared resource with improper synchronization ('race condition') in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVE-2026-61350Medium· 4.6Buffer over-read in Windows NTFS allows an unauthorized attacker to disclose information with a physical attack.
Buffer over-read in Windows NTFS allows an unauthorized attacker to disclose information with a physical attack.