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-2020-1137High· 7.8An elevation of privilege vulnerability exists in the way the Windows Push Notification Service handles objects in memory
An elevation of privilege vulnerability exists in the way the Windows Push Notification Service handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context. An attacker …
CVE-2020-1136High· 7.8A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in memory
A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in memory. An attacker who successfully exploited the vulnerability could install programs; view, change, or delete data; or create new acc…
CVE-2020-1135High· 7.8An elevation of privilege vulnerability exists when the Windows Graphics Component improperly handles objects in memory
An elevation of privilege vulnerability exists when the Windows Graphics Component improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context. In a local att…
CVE-2020-1134High· 7.8An elevation of privilege vulnerability exists when the Windows State Repository Service improperly handles objects in memory
An elevation of privilege vulnerability exists when the Windows State Repository Service improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in an elevated context. An …
CVE-2020-1132High· 7.0An elevation of privilege vulnerability exists when Windows Error Reporting manager improperly handles file and folder links
An elevation of privilege vulnerability exists when Windows Error Reporting manager improperly handles file and folder links. An attacker who successfully exploited this vulnerability could overwrite a targeted file leading to an elevate…
CVE-2020-1131Medium· 5.5An elevation of privilege vulnerability exists when the Windows State Repository Service improperly handles objects in memory
An elevation of privilege vulnerability exists when the Windows State Repository Service improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in an elevated context. An …
CVE-2020-1126High· 8.8A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in memory
A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in memory. An attacker who successfully exploited the vulnerability could install programs; view, change, or delete data; or create new acc…
CVE-2020-1125High· 7.0An 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-2020-1124High· 7.8An elevation of privilege vulnerability exists when the Windows State Repository Service improperly handles objects in memory
An elevation of privilege vulnerability exists when the Windows State Repository Service improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in an elevated context. An …
CVE-2020-1123Medium· 5.5A denial of service vulnerability exists when Connected User Experiences and Telemetry Service improperly handles file operations
A denial of service vulnerability exists when Connected User Experiences and Telemetry Service improperly handles file operations. An attacker who successfully exploited this vulnerability could cause a system to stop responding. To expl…
CVE-2020-1121High· 7.0An elevation of privilege vulnerability exists when Windows improperly handles calls to Clipboard Service
An elevation of privilege vulnerability exists when Windows improperly handles calls to Clipboard Service. An attacker who successfully exploited this vulnerability could run arbitrary code in the security context of the local system. An…
CVE-2020-1118High· 8.6A denial of service vulnerability exists in the Windows implementation of Transport Layer Security (TLS) when it improperly handles certain key exchanges
A denial of service vulnerability exists in the Windows implementation of Transport Layer Security (TLS) when it improperly handles certain key exchanges. An attacker who successfully exploited the vulnerability could cause a target syst…
CVE-2020-1117High· 8.8A remote code execution vulnerability exists in the way that the Color Management Module (ICM32.dll) handles objects in memory
A remote code execution vulnerability exists in the way that the Color Management Module (ICM32.dll) handles objects in memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attac…
CVE-2020-1116Medium· 5.5An information disclosure vulnerability exists when the Windows Client Server Run-Time Subsystem (CSRSS) fails to properly handle objects in memory
An information disclosure vulnerability exists when the Windows Client Server Run-Time Subsystem (CSRSS) fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could obtain information to fur…
CVE-2020-1114High· 7.8An elevation of privilege vulnerability exists when the Windows kernel fails to properly handle objects in memory
An elevation of privilege vulnerability exists when the Windows kernel fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then …
CVE-2020-1113Medium· 5.3A security feature bypass vulnerability exists in Microsoft Windows when the Task Scheduler service fails to properly verify client connections over RPC
A security feature bypass vulnerability exists in Microsoft Windows when the Task Scheduler service fails to properly verify client connections over RPC. An attacker who successfully exploited this vulnerability could run arbitrary code …
CVE-2020-1112High· 8.5An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) IIS module improperly handles uploaded content
An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) IIS module improperly handles uploaded content. An attacker who successfully exploited this vulnerability could upload restric…
CVE-2020-1111High· 7.8An elevation of privilege vulnerability exists when Windows improperly handles calls to Clipboard Service
An elevation of privilege vulnerability exists when Windows improperly handles calls to Clipboard Service. An attacker who successfully exploited this vulnerability could run arbitrary code in the security context of the local system. An…
CVE-2020-1110High· 7.8An elevation of privilege vulnerability exists when the Windows Update Stack fails to properly handle objects in memory
An elevation of privilege vulnerability exists when the Windows Update Stack fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could…
CVE-2020-1109High· 7.8An elevation of privilege vulnerability exists when the Windows Update Stack fails to properly handle objects in memory
An elevation of privilege vulnerability exists when the Windows Update Stack fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could…
CVE-2020-1108High· 7.5A denial of service vulnerability exists when .NET Core or .NET Framework improperly handles web requests
A denial of service vulnerability exists when .NET Core or .NET Framework improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Core or .NET Framework we…
CVE-2020-1107Medium· 5.4A spoofing vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server
A spoofing vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server. An authenticated attacker could exploit the vulnerability by sending a speciall…
CVE-2020-1106Medium· 6.1A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server
A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server. An authenticated attacker could exploit the vulnerability by …
CVE-2020-1105Medium· 5.4A spoofing vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server
A spoofing vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server. An authenticated attacker could exploit the vulnerability by sending a speciall…
CVE-2020-1104Medium· 5.4A spoofing vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server
A spoofing vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server. An authenticated attacker could exploit the vulnerability by sending a speciall…
CVE-2020-1103Medium· 6.5An information disclosure vulnerability exists where certain modes of the search function in Microsoft SharePoint Server are vulnerable to cross-site search attacks (a variant of cross-site request forgery, CSRF). When users are simultan…
An information disclosure vulnerability exists where certain modes of the search function in Microsoft SharePoint Server are vulnerable to cross-site search attacks (a variant of cross-site request forgery, CSRF). When users are simultan…
CVE-2020-1102High· 8.8PoCA remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package
A remote code execution vulnerability exists in Microsoft SharePoint when the software fails to check the source markup of an application package. An attacker who successfully exploited the vulnerability could run arbitrary code in the c…
CVE-2020-1101Medium· 5.4A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server
A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server. An authenticated attacker could exploit the vulnerability by …
CVE-2020-1100Medium· 5.4A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server
A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server. An authenticated attacker could exploit the vulnerability by …
CVE-2020-1099Medium· 5.4A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server
A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server. An authenticated attacker could exploit the vulnerability by …