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-2020-1096Medium· 4.2A remote code execution vulnerability exists when Microsoft Edge PDF Reader improperly handles objects in memory
A remote code execution vulnerability exists when Microsoft Edge PDF Reader improperly handles objects in memory. The vulnerability could corrupt memory in such a way that enables an attacker to execute arbitrary code in the context of t…
CVE-2020-1093High· 7.5A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory
A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current …
CVE-2020-1092High· 7.5A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory
A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current u…
CVE-2020-1090High· 7.8An elevation of privilege vulnerability exists when the Windows Runtime improperly handles objects in memory
An elevation of privilege vulnerability exists when the Windows Runtime improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in an elevated context. An attacker could ex…
CVE-2020-1088High· 7.8An elevation of privilege vulnerability exists in Windows Error Reporting (WER) when WER handles and executes files
An elevation of privilege vulnerability exists in Windows Error Reporting (WER) when WER handles and executes files. The vulnerability could allow elevation of privilege if an attacker can successfully exploit it. An attacker who success…
CVE-2020-1087High· 7.8An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory
An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. To exploit the vulnerabil…
CVE-2020-1086High· 7.8An elevation of privilege vulnerability exists when the Windows Runtime improperly handles objects in memory
An elevation of privilege vulnerability exists when the Windows Runtime improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in an elevated context. An attacker could ex…
CVE-2020-1084Medium· 5.5A Denial Of Service vulnerability exists when Connected User Experiences and Telemetry Service fails to validate certain function values. An attacker who successfully exploited this vulnerability could deny dependent security feature fun…
A Denial Of Service vulnerability exists when Connected User Experiences and Telemetry Service fails to validate certain function values. An attacker who successfully exploited this vulnerability could deny dependent security feature fun…
CVE-2020-1082High· 7.8An elevation of privilege vulnerability exists in Windows Error Reporting (WER) when WER handles and executes files
An elevation of privilege vulnerability exists in Windows Error Reporting (WER) when WER handles and executes files. The vulnerability could allow elevation of privilege if an attacker can successfully exploit it. An attacker who success…
CVE-2020-1081High· 7.8An elevation of privilege vulnerability exists when the Windows Printer Service improperly validates file paths while loading printer drivers
An elevation of privilege vulnerability exists when the Windows Printer Service improperly validates file paths while loading printer drivers. An authenticated attacker who successfully exploited this vulnerability could run arbitrary co…
CVE-2020-1079High· 7.8An elevation of privilege vulnerability exists when the Windows fails to properly handle objects in memory
An elevation of privilege vulnerability exists when the Windows fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code. An attacker could then install programs; view…
CVE-2020-1078High· 7.8An elevation of privilege vulnerability exists in Windows Installer because of the way Windows Installer handles certain filesystem operations. To exploit the vulnerability, an attacker would require unprivileged execution on the victim …
An elevation of privilege vulnerability exists in Windows Installer because of the way Windows Installer handles certain filesystem operations. To exploit the vulnerability, an attacker would require unprivileged execution on the victim …
CVE-2020-1077High· 7.8An elevation of privilege vulnerability exists when the Windows Runtime improperly handles objects in memory
An elevation of privilege vulnerability exists when the Windows Runtime improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in an elevated context. An attacker could ex…
CVE-2020-1076Medium· 5.5A denial of service vulnerability exists when Windows improperly handles objects in memory
A denial of service vulnerability exists when Windows improperly handles objects in memory. An attacker who successfully exploited the vulnerability could cause a target system to stop responding. To exploit this vulnerability, an attack…
CVE-2020-1075Medium· 5.5An information disclosure vulnerability exists when Windows Subsystem for Linux improperly handles objects in memory
An information disclosure vulnerability exists when Windows Subsystem for Linux improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s sys…
CVE-2020-1072Medium· 5.5An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory
An information disclosure vulnerability exists when the Windows kernel improperly handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system. To e…
CVE-2020-1071Medium· 6.8An elevation of privilege vulnerability exists when Windows improperly handles errors tied to Remote Access Common Dialog
An elevation of privilege vulnerability exists when Windows improperly handles errors tied to Remote Access Common Dialog. An attacker who successfully exploited the vulnerability could run arbitrary code with elevated privileges. To exp…
CVE-2020-1070High· 7.8An elevation of privilege vulnerability exists when the Windows Print Spooler service improperly allows arbitrary writing to the file system
An elevation of privilege vulnerability exists when the Windows Print Spooler service improperly allows arbitrary writing to the file system. An attacker who successfully exploited this vulnerability could run arbitrary code with elevate…
CVE-2020-1069High· 8.8A remote code execution vulnerability exists in Microsoft SharePoint Server when it fails to properly identify and filter unsafe ASP.Net web controls
A remote code execution vulnerability exists in Microsoft SharePoint Server when it fails to properly identify and filter unsafe ASP.Net web controls. An authenticated attacker who successfully exploited the vulnerability could use a spe…
CVE-2020-1068High· 7.8An elevation of privilege vulnerability exists in Windows Media Service that allows file creation in arbitrary locations. To exploit the vulnerability, an attacker would first have to log on to the system
An elevation of privilege vulnerability exists in Windows Media Service that allows file creation in arbitrary locations. To exploit the vulnerability, an attacker would first have to log on to the system. An attacker could then run a sp…
CVE-2020-1067High· 7.8A remote code execution vulnerability exists in the way that Windows handles objects in memory
A remote code execution vulnerability exists in the way that Windows handles objects in memory. An attacker who successfully exploited the vulnerability could execute arbitrary code with elevated permissions on a target system. To exploi…
CVE-2020-1066High· 7.8PoCAn elevation of privilege vulnerability exists in .NET Framework which could allow an attacker to elevate their privilege level. To exploit the vulnerability, an attacker would first have to access the local machine, and then run a malic…
An elevation of privilege vulnerability exists in .NET Framework which could allow an attacker to elevate their privilege level. To exploit the vulnerability, an attacker would first have to access the local machine, and then run a malic…
CVE-2020-1065Medium· 4.2A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory
A remote code execution vulnerability exists in the way that the ChakraCore scripting engine handles objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of …
CVE-2020-1064High· 7.5A remote code execution vulnerability exists in the way that the MSHTML engine improperly validates input. An attacker could execute arbitrary code in the context of the current user
A remote code execution vulnerability exists in the way that the MSHTML engine improperly validates input. An attacker could execute arbitrary code in the context of the current user. If the current user is logged on with administrative …
CVE-2020-1063Medium· 5.4A cross site scripting vulnerability exists when Microsoft Dynamics 365 (on-premises) does not properly sanitize a specially crafted web request to an affected Dynamics server
A cross site scripting vulnerability exists when Microsoft Dynamics 365 (on-premises) does not properly sanitize a specially crafted web request to an affected Dynamics server. An authenticated attacker could exploit the vulnerability by…
CVE-2020-1062High· 7.5A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory
A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current u…
CVE-2020-1061High· 7.5A remote code execution vulnerability exists in the way that the Microsoft Script Runtime handles objects in memory
A remote code execution vulnerability exists in the way that the Microsoft Script Runtime handles objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the…
CVE-2020-1060High· 7.5A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory
A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current …
CVE-2020-1059Medium· 4.3A spoofing vulnerability exists when Microsoft Edge does not properly parse HTTP content
A spoofing vulnerability exists when Microsoft Edge does not properly parse HTTP content. An attacker who successfully exploited this vulnerability could trick a user by redirecting the user to a specially crafted website. The specially …
CVE-2020-1058High· 7.5A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory
A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current …