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 (638), Windows 10 Version 1607 (487), 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 638
- Windows 10 Version 1607 487
- Microsoft 365 Apps for Enterprise 209
- windows_10 122
- 365_apps 115
- windows_10_1809 105
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-2026-69470High· 7.0Use after free in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges locally.
Use after free in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges locally.
CVE-2026-69469Medium· 6.6Integer overflow or wraparound in Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to elevate privileges with a physical attack.
Integer overflow or wraparound in Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to elevate privileges with a physical attack.
CVE-2026-69468High· 7.0Heap-based buffer overflow in Windows Volume Manager Extension Driver allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Volume Manager Extension Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-69467High· 7.8Stack-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
Stack-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
CVE-2026-69466High· 7.0Time-of-check time-of-use (toctou) race condition in Windows Kernel allows an authorized attacker to elevate privileges locally.
Time-of-check time-of-use (toctou) race condition in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-69465High· 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-2026-69464High· 8.8Execution with unnecessary privileges in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Execution with unnecessary privileges in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
CVE-2026-69463Critical· 9.8Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code over a network.
CVE-2026-69462High· 8.0Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges over a network.
Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges over a network.
CVE-2026-69461High· 8.8Stack-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code over a network.
Stack-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code over a network.
CVE-2026-69460High· 7.1Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges over a network.
Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges over a network.
CVE-2026-69459High· 7.8Heap-based buffer overflow in Windows Power Dependency Coordinator allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Power Dependency Coordinator allows an authorized attacker to elevate privileges locally.
CVE-2026-69458High· 8.0Out-of-bounds read in Windows BitLocker allows an authorized attacker to elevate privileges over a network.
Out-of-bounds read in Windows BitLocker allows an authorized attacker to elevate privileges over a network.
CVE-2026-69457Medium· 5.5Out-of-bounds read in Windows USB Driver allows an authorized attacker to disclose information locally.
Out-of-bounds read in Windows USB Driver allows an authorized attacker to disclose information locally.
CVE-2026-69456High· 7.8Heap-based buffer overflow in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.
CVE-2026-69455High· 7.8Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.
CVE-2026-69453Medium· 5.5Missing authorization in Microsoft Windows Search Component allows an authorized attacker to perform tampering locally.
Missing authorization in Microsoft Windows Search Component allows an authorized attacker to perform tampering locally.
CVE-2026-69451High· 7.1PoCUse after free in Windows Management Instrumentation allows an authorized attacker to elevate privileges over a network.
Use after free in Windows Management Instrumentation allows an authorized attacker to elevate privileges over a network.
CVE-2026-69450High· 7.8Out-of-bounds read in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
Out-of-bounds read in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
CVE-2026-69449Medium· 6.7Heap-based buffer overflow in Windows BitLocker allows an authorized attacker to execute code locally.
Heap-based buffer overflow in Windows BitLocker allows an authorized attacker to execute code locally.
CVE-2026-69448High· 7.0Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69447High· 7.8Heap-based buffer overflow in Windows Audio Service allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Audio Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69445High· 7.8Improper limitation of a pathname to a restricted directory ('path traversal') in Windows Compressed Folder allows an authorized attacker to elevate privileges locally.
Improper limitation of a pathname to a restricted directory ('path traversal') in Windows Compressed Folder allows an authorized attacker to elevate privileges locally.
CVE-2026-69444High· 7.8Heap-based buffer overflow in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.
CVE-2026-69443High· 7.5Out-of-bounds read in Microsoft Azure Attestation service and Device Health Attestation Service allows an unauthorized attacker to disclose information over a network.
Out-of-bounds read in Microsoft Azure Attestation service and Device Health Attestation Service allows an unauthorized attacker to disclose information over a network.
CVE-2026-69442High· 8.8Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.
CVE-2026-69441High· 7.0Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Installer allows an authorized attacker to elevate privileges locally.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-69440High· 7.0Time-of-check time-of-use (toctou) race condition in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
Time-of-check time-of-use (toctou) race condition in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
CVE-2026-69439High· 8.8Heap-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network.
Heap-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-69438High· 8.1Incorrect conversion between numeric types in Microsoft JScript allows an unauthorized attacker to execute code over a network.
Incorrect conversion between numeric types in Microsoft JScript allows an unauthorized attacker to execute code over a network.