Microsoft has 4,599 CVEs on record between 2012 and 2026. Disclosure cadence is accelerating: 2930 in the last 90 days against 934 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 934
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-2026-108464High· 7.0Use after free in Software Protection Platform (SPP) allows an authorized attacker to elevate privileges locally.
Use after free in Software Protection Platform (SPP) allows an authorized attacker to elevate privileges locally.
CVE-2026-108463High· 8.8Improper resolution of path equivalence in Windows SmartScreen allows an unauthorized attacker to bypass a security feature over a network.
Improper resolution of path equivalence in Windows SmartScreen allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-108462Medium· 5.5Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an authorized attacker to disclose information locally.
Exposure of sensitive system information to an unauthorized control sphere in Windows Kernel allows an authorized attacker to disclose information locally.
CVE-2026-108461High· 7.0Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.
CVE-2026-108460High· 8.1Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a network.
Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a network.
CVE-2026-108458High· 8.8Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVE-2026-108457High· 8.1Out-of-bounds write in Microsoft Windows PDF allows an unauthorized attacker to execute code over a network.
Out-of-bounds write in Microsoft Windows PDF allows an unauthorized attacker to execute code over a network.
CVE-2026-108400High· 8.8Integer overflow or wraparound in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network.
Integer overflow or wraparound in Microsoft Windows Codecs Library allows an unauthorized attacker to execute code over a network.
CVE-2026-108399High· 7.2Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
CVE-2026-108398High· 8.8Untrusted search path in .NET Framework allows an authorized attacker to bypass a security feature locally.
Untrusted search path in .NET Framework allows an authorized attacker to bypass a security feature locally.
CVE-2026-108396High· 7.0Time-of-check time-of-use (toctou) race condition in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.
Time-of-check time-of-use (toctou) race condition in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.
CVE-2026-108136High· 7.8Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
CVE-2026-108135High· 7.0Improper link resolution before file access ('link following') in Windows Backup Engine allows an authorized attacker to elevate privileges locally.
Improper link resolution before file access ('link following') in Windows Backup Engine allows an authorized attacker to elevate privileges locally.
CVE-2026-108134High· 7.0Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally.
Use after free in Windows Autopilot allows an authorized attacker to elevate privileges locally.
CVE-2026-108133High· 7.8Release of invalid pointer or reference in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.
Release of invalid pointer or reference in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.
CVE-2026-108132High· 7.0Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally.
Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally.
CVE-2026-108131High· 7.5No cwe for this issue in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.
No cwe for this issue in Active Directory Federation Services (AD FS) allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-108130High· 7.8Heap-based buffer overflow in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.
Heap-based buffer overflow in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.
CVE-2026-108129Medium· 6.5Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
CVE-2026-108128Medium· 6.5Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
CVE-2026-108127Medium· 6.5Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
CVE-2026-105733High· 8.8Improper access control in Windows Hyper-V allows an authorized attacker to execute code locally.
Improper access control in Windows Hyper-V allows an authorized attacker to execute code locally.
CVE-2026-105732High· 7.3Stack-based buffer overflow in SysInternals allows an authorized attacker to elevate privileges locally.
Stack-based buffer overflow in SysInternals allows an authorized attacker to elevate privileges locally.
CVE-2026-105731Medium· 5.5Use of uninitialized resource in Microsoft Graphics Component allows an authorized attacker to disclose information locally.
Use of uninitialized resource in Microsoft Graphics Component allows an authorized attacker to disclose information locally.
CVE-2026-105729High· 7.1Untrusted pointer dereference in SysInternals allows an authorized attacker to elevate privileges locally.
Untrusted pointer dereference in SysInternals allows an authorized attacker to elevate privileges locally.
CVE-2026-105728High· 7.5Improper authentication in Dynamics Business Central allows an unauthorized attacker to disclose information over a network.
Improper authentication in Dynamics Business Central allows an unauthorized attacker to disclose information over a network.
CVE-2026-105727High· 8.8Improper limitation of a pathname to a restricted directory ('path traversal') in Dynamics Business Central allows an authorized attacker to elevate privileges over a network.
Improper limitation of a pathname to a restricted directory ('path traversal') in Dynamics Business Central allows an authorized attacker to elevate privileges over a network.
CVE-2026-105726Medium· 5.5Out-of-bounds read in Microsoft Defender allows an authorized attacker to disclose information locally.
Out-of-bounds read in Microsoft Defender allows an authorized attacker to disclose information locally.
CVE-2026-105725High· 7.0Use after free in Windows Security App allows an authorized attacker to elevate privileges locally.
Use after free in Windows Security App allows an authorized attacker to elevate privileges locally.
CVE-2026-105723High· 7.5Untrusted pointer dereference in Windows Distributed File System (DFS) allows an unauthorized attacker to elevate privileges over a network.
Untrusted pointer dereference in Windows Distributed File System (DFS) allows an unauthorized attacker to elevate privileges over a network.