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-2026-69368High· 7.8Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
CVE-2026-69367Medium· 5.5Out-of-bounds read in Microsoft Standard XPS allows an authorized attacker to disclose information locally.
Out-of-bounds read in Microsoft Standard XPS allows an authorized attacker to disclose information locally.
CVE-2026-69366High· 7.1Use after free in Windows Kernel allows an authorized attacker to elevate privileges over a network.
Use after free in Windows Kernel allows an authorized attacker to elevate privileges over a network.
CVE-2026-69365High· 8.0Out-of-bounds read in Microsoft Local Security Authority Server (lsasrv) allows an authorized attacker to elevate privileges over a network.
Out-of-bounds read in Microsoft Local Security Authority Server (lsasrv) allows an authorized attacker to elevate privileges over a network.
CVE-2026-69364High· 7.1Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Print Spooler Components allows an authorized attacker to elevate privileges over a network.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Print Spooler Components allows an authorized attacker to elevate privileges over a network.
CVE-2026-69362High· 7.0Use after free in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
Use after free in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
CVE-2026-69361Medium· 6.5Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to perform spoofing over a network.
Server-side request forgery (ssrf) in Microsoft Exchange Server allows an authorized attacker to perform spoofing over a network.
CVE-2026-69360High· 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-2026-69359High· 7.8Heap-based buffer overflow in Active Directory Domain Services allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Active Directory Domain Services allows an authorized attacker to elevate privileges locally.
CVE-2026-69358High· 7.1Use 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-2026-69357High· 7.1Use after free in Windows NDIS allows an authorized attacker to elevate privileges over a network.
Use after free in Windows NDIS allows an authorized attacker to elevate privileges over a network.
CVE-2026-69356Critical· 9.3Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-69355High· 8.8External control of file name or path in Microsoft Exchange Server allows an authorized attacker to execute code over a network.
External control of file name or path in Microsoft Exchange Server allows an authorized attacker to execute code over a network.
CVE-2026-69353Medium· 5.5Out-of-bounds read in Windows Text Shaping allows an authorized attacker to disclose information locally.
Out-of-bounds read in Windows Text Shaping allows an authorized attacker to disclose information locally.
CVE-2026-69352High· 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-2026-69351Medium· 5.5Exposure of private personal information to an unauthorized actor in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to disclose information locally.
Exposure of private personal information to an unauthorized actor in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to disclose information locally.
CVE-2026-69350Medium· 6.7Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
CVE-2026-69349Medium· 5.7Use of uninitialized resource in Windows Management Instrumentation allows an authorized attacker to disclose information over a network.
Use of uninitialized resource in Windows Management Instrumentation allows an authorized attacker to disclose information over a network.
CVE-2026-69348High· 7.8Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.
CVE-2026-69347High· 7.4Heap-based buffer overflow in Windows Fast FAT Driver allows an unauthorized attacker to execute code locally.
Heap-based buffer overflow in Windows Fast FAT Driver allows an unauthorized attacker to execute code locally.
CVE-2026-69346High· 8.0Heap-based buffer overflow in Windows Print Spooler Components allows an authorized attacker to elevate privileges over a network.
Heap-based buffer overflow in Windows Print Spooler Components allows an authorized attacker to elevate privileges over a network.
CVE-2026-69345Medium· 5.5Out-of-bounds read in Microsoft Standard XPS allows an authorized attacker to disclose information locally.
Out-of-bounds read in Microsoft Standard XPS allows an authorized attacker to disclose information locally.
CVE-2026-69344Medium· 5.5Out-of-bounds read in Windows Print Spooler Components allows an authorized attacker to disclose information locally.
Out-of-bounds read in Windows Print Spooler Components allows an authorized attacker to disclose information locally.
CVE-2026-69343Medium· 5.5Out-of-bounds read in Windows Overlay Filter allows an authorized attacker to disclose information locally.
Out-of-bounds read in Windows Overlay Filter allows an authorized attacker to disclose information locally.
CVE-2026-69342High· 7.5Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network.
CVE-2026-69341High· 7.0Use after free in Windows Image Acquisition allows an authorized attacker to elevate privileges locally.
Use after free in Windows Image Acquisition allows an authorized attacker to elevate privileges locally.
CVE-2026-69340High· 7.1Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges over a network.
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges over a network.
CVE-2026-69339Medium· 5.5Exposure of sensitive system information to an unauthorized control sphere in Windows MIDI Service Module allows an authorized attacker to disclose information locally.
Exposure of sensitive system information to an unauthorized control sphere in Windows MIDI Service Module allows an authorized attacker to disclose information locally.
CVE-2026-69338High· 7.1Use after free in Remote Desktop Gateway Service allows an authorized attacker to elevate privileges over a network.
Use after free in Remote Desktop Gateway Service allows an authorized attacker to elevate privileges over a network.
CVE-2026-69337High· 7.1Double free in Windows Registry allows an authorized attacker to elevate privileges over a network.
Double free in Windows Registry allows an authorized attacker to elevate privileges over a network.