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-2026-62892High· 7.0Capability Access Management Service (camsvc) Elevation of Privilege Vulnerability
Use after free in Capability Access Management Service (camsvc) allows an authorized attacker to elevate privileges locally.
CVE-2026-62890High· 7.8Windows GDI+ Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows GDI+ allows an authorized attacker to execute code locally.
CVE-2026-62889High· 8.1Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability
Double free in Windows Secure Socket Tunneling Protocol (SSTP) allows an unauthorized attacker to execute code over a network.
CVE-2026-62878Critical· 9.8PoCWindows DNS Server Remote Code Execution Vulnerability
Stack-based buffer overflow in Windows DNS allows an unauthorized attacker to execute code over a network.
CVE-2026-62877High· 7.8Windows Win32k Elevation of Privilege Vulnerability
Stack-based buffer overflow in Windows Win32K allows an authorized attacker to elevate privileges locally.
CVE-2026-62876High· 7.8Windows Win32k Elevation of Privilege Vulnerability
Out-of-bounds read in Windows Win32K allows an authorized attacker to elevate privileges locally.
CVE-2026-62820High· 8.1Windows DNS Server Remote Code Execution Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DNS allows an unauthorized attacker to execute code over a network.
CVE-2026-62819High· 8.1Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine
CVE-2026-62818High· 8.8Windows Active Directory Certificate Services (AD CS) Remote Code Execution Vulnerability
Use after free in Active Directory Certificate Services (AD CS) allows an authorized attacker to execute code over a network.
CVE-2026-62817High· 8.8Windows DNS Server Remote Code Execution Vulnerability
Out-of-bounds write in Windows DNS allows an unauthorized attacker to execute code over an adjacent network.
CVE-2026-62816High· 8.8Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
Heap-based buffer overflow in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over an adjacent network.
CVE-2026-62815Critical· 9.8Microsoft QUIC Remote Code Execution Vulnerability
Use after free in Microsoft QUIC allows an unauthorized attacker to execute code over a network.
CVE-2026-62812High· 7.8Windows DHCP Server Elevation of Privilege Vulnerability
Improper link resolution before file access ('link following') in Windows DHCP Server allows an authorized attacker to elevate privileges locally.
CVE-2026-62798Medium· 5.5Win32k Information Disclosure Vulnerability
Untrusted pointer dereference in Windows Win32K allows an authorized attacker to disclose information locally.
CVE-2026-62797High· 7.8Windows NTFS Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.
CVE-2026-62796Medium· 5.5Windows NTFS Information Disclosure Vulnerability
Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information locally.
CVE-2026-62795High· 8.8Windows LDAP - Lightweight Directory Access Protocol Remote Code Execution Vulnerability
Use after free in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code over a network.
CVE-2026-62792High· 8.1Windows TCP/IP Remote Code Execution Vulnerability
Stack-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to execute code over a network.
CVE-2026-62787High· 7.5Windows DNS Server Remote Code Execution Vulnerability
Use after free in Windows DNS allows an authorized attacker to execute code over a network.
CVE-2026-62784High· 8.8Microsoft Local Security Authority Server (lsasrv) Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Local Security Authority Server (lsasrv) allows an authorized attacker to execute code over a network.
CVE-2026-62777High· 7.8Windows License Manager Elevation of Privilege Vulnerability
Missing authentication for critical function in Windows License Manager allows an authorized attacker to elevate privileges locally.
CVE-2026-62774High· 7.0Windows Graphics Kernel Elevation of Privilege Vulnerability
Use after free in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-62773High· 7.0Windows Kerberos Elevation of Privilege Vulnerability
Use after free in Windows Kerberos allows an authorized attacker to elevate privileges locally.
CVE-2026-62772High· 7.8Windows Container Isolation FS Filter Driver (unionfs.sys) Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.
CVE-2026-65660High· 8.8CISA KEVPoCImproper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Improper control of generation of code ('code injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVE-2026-65658High· 8.8Microsoft SharePoint Server Remote Code Execution Vulnerability
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVE-2026-65657High· 7.8Microsoft Office Remote Code Execution Vulnerability
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-65656High· 7.8Microsoft Office Remote Code Execution Vulnerability
Improper neutralization of special elements used in a command ('command injection') in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2026-64922Medium· 4.6Microsoft SharePoint Server Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
CVE-2026-63521Medium· 5.5Microsoft Office Word Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.