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-2026-69488High· 7.0Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges locally.
Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69485High· 8.8Use of uninitialized resource in Remote Desktop Client allows an authorized attacker to execute code over a network.
Use of uninitialized resource in Remote Desktop Client allows an authorized attacker to execute code over a network.
CVE-2026-69483Medium· 4.7Out-of-bounds read in Windows Image Acquisition allows an authorized attacker to disclose information locally.
Out-of-bounds read in Windows Image Acquisition allows an authorized attacker to disclose information locally.
CVE-2026-69482High· 7.1Creation of temporary file in directory with insecure permissions in Windows Error Reporting allows an authorized attacker to perform tampering locally.
Creation of temporary file in directory with insecure permissions in Windows Error Reporting allows an authorized attacker to perform tampering locally.
CVE-2026-69481High· 8.0Heap-based buffer overflow in Windows Enterprise App Management allows an authorized attacker to elevate privileges over a network.
Heap-based buffer overflow in Windows Enterprise App Management allows an authorized attacker to elevate privileges over a network.
CVE-2026-69480High· 7.8Heap-based buffer overflow in Windows Partition Management Driver allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Partition Management Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-69479High· 8.4Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
CVE-2026-69478High· 7.8Heap-based buffer overflow in Windows Device Association Service allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Device Association Service allows an authorized attacker to elevate privileges locally.
CVE-2026-69477High· 7.3Heap-based buffer overflow in Microsoft Office Access allows an authorized attacker to execute code locally.
Heap-based buffer overflow in Microsoft Office Access allows an authorized attacker to execute code locally.
CVE-2026-69476High· 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-2026-69475High· 7.8Untrusted pointer dereference in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.
Untrusted pointer dereference in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.
CVE-2026-69474Medium· 4.8Use after free in Windows Overlay Filter allows an authorized attacker to disclose information over a network.
Use after free in Windows Overlay Filter allows an authorized attacker to disclose information over a network.
CVE-2026-69473High· 7.0Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-69472High· 7.0Use after free in Windows Devices Human Interface allows an authorized attacker to elevate privileges locally.
Use after free in Windows Devices Human Interface allows an authorized attacker to elevate privileges locally.
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.