microsoft has 2,953 CVEs on record between 2013 and 2026. Disclosure cadence is accelerating: 2136 in the last 90 days against 414 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 (644), Windows 10 Version 1607 (481), 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
- 2136 prev 414
Weakness classes
Products
- windows_10_1607 644
- Windows 10 Version 1607 481
- Microsoft 365 Apps for Enterprise 209
- windows_10 122
- 365_apps 115
- windows_10_1809 106
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-2026-50665High· 7.8Microsoft Office Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
CVE-2026-57095Medium· 6.2Win32k Elevation of Privilege Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows Win32K allows an unauthorized attacker to elevate privileges locally.
CVE-2026-57973Medium· 6.3Windows Subsystem for Linux (WSL2) Kernel Tampering Vulnerability
Time-of-check time-of-use (toctou) race condition in Windows Subsystem for Linux allows an authorized attacker to perform tampering locally.
CVE-2026-57101High· 7.1Visual Studio Code Security Feature Bypass Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.
CVE-2026-57096High· 7.8Windows Routing and Remote Access Service (RRAS) Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.
CVE-2026-57982Medium· 6.5Windows Remote Desktop Protocol (RDP) Information Disclosure Vulnerability
Use of uninitialized resource in Windows RDP allows an authorized attacker to disclose information over a network.
CVE-2026-57968High· 7.8Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability
Buffer over-read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
CVE-2026-57102High· 8.8Visual Studio Code Security Feature Bypass Vulnerability
Inclusion of functionality from untrusted control sphere in Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-58277High· 8.8Microsoft SharePoint Elevation of Privilege Vulnerability
Improper authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
CVE-2026-58546Medium· 6.5Windows Remote Desktop Client Information Disclosure Vulnerability
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
CVE-2026-58539Medium· 6.5Windows Remote Desktop Client Information Disclosure Vulnerability
Out-of-bounds read in Windows RDP allows an unauthorized attacker to disclose information over a network.
CVE-2026-58538High· 7.8Windows Bluetooth Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Bluetooth Service allows an authorized attacker to elevate privileges locally.
CVE-2026-58535Medium· 6.5Windows Remote Desktop Client Information Disclosure Vulnerability
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
CVE-2026-58534High· 8.8Windows Input Method Editor (IME) Elevation of Privilege Vulnerability
Heap-based buffer overflow in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally.
CVE-2026-58533Medium· 6.5Windows Remote Desktop Client Information Disclosure Vulnerability
Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.
CVE-2026-58532High· 7.8Windows Kernel Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-58531High· 7.5Windows SMB Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB allows an authorized attacker to elevate privileges over a network.
CVE-2026-58530High· 7.8Windows Resilient File System (ReFS) Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code locally.
CVE-2026-58528Medium· 6.8Windows USB Audio Class Driver Information Disclosure Vulnerability
Out-of-bounds read in Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to disclose information with a physical attack.
CVE-2026-58527High· 7.8Windows Runtime Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Runtime allows an authorized attacker to elevate privileges locally.
CVE-2026-58617High· 8.1M365 Copilot for iOS Elevation of Privilege Vulnerability
Improper access control in Microsoft 365 Copilot for iOS allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-58594High· 8.8Remote Desktop Client Remote Code Execution Vulnerability
Integer overflow or wraparound in Windows RDP allows an unauthorized attacker to execute code over a network.
CVE-2026-58547Medium· 5.5Windows Universal Plug and Play (UPnP) Device Host Elevation of Privilege Vulnerability
Heap-based buffer overflow in Universal Plug and Play (upnp.dll) allows an authorized attacker to elevate privileges locally.
CVE-2026-58545Medium· 5.5Windows Kernel Security Feature Bypass Vulnerability
Improper access control in Windows Kernel allows an authorized attacker to bypass a security feature locally.
CVE-2026-58544High· 7.0Windows Management Services Elevation of Privilege Vulnerability
Use after free in Windows Management Services allows an authorized attacker to elevate privileges locally.
CVE-2026-58543Medium· 6.3Universal Print Management Service Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Print Driver allows an authorized attacker to elevate privileges with a physical attack.
CVE-2026-58542High· 7.8Windows Media Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.
CVE-2026-58540High· 7.8Windows Installer Elevation of Privilege Vulnerability
Improper authorization in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-58537High· 7.8Microsoft NAT Helper Components (ipnathlp.dll) Elevation of Privilege Vulnerability
Use after free in Microsoft NAT Helper Components (ipnathlp.dll) allows an authorized attacker to elevate privileges locally.
CVE-2026-58536High· 7.8Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.