microsoft has 2,953 CVEs on record between 2013 and 2026. Disclosure cadence is accelerating: 2137 in the last 90 days against 419 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 (639), Windows 10 Version 1607 (486), 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
- 2137 prev 419
Weakness classes
Products
- windows_10_1607 639
- Windows 10 Version 1607 486
- 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-2026-69558High· 8.6Microsoft Partner Center Information Disclosure Vulnerability
Authorization bypass through user-controlled key in Microsoft Partner Center allows an unauthorized attacker to disclose information over a network.
CVE-2026-69543High· 8.5Azure Virtual Machines Elevation of Privilege Vulnerability
Server-side request forgery (ssrf) in Azure Virtual Machines allows an authorized attacker to elevate privileges over a network.
CVE-2026-69855High· 7.7Server-side request forgery (ssrf) in Microsoft Copilot in Azure allows an authorized attacker to disclose information over a network.
Server-side request forgery (ssrf) in Microsoft Copilot in Azure allows an authorized attacker to disclose information over a network.
CVE-2026-68789Critical· 9.9Azure SQL Database Elevation of Privilege Vulnerability
Improper neutralization of special elements used in an sql command ('sql injection') in Azure SQL Database allows an authorized attacker to elevate privileges over a network.
CVE-2026-65801Critical· 10.0Microsoft Exchange Online Elevation of Privilege Vulnerability
Server-side request forgery (ssrf) in Microsoft Exchange Online allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-62834Critical· 9.3Azure Data Factory Elevation of Privilege Vulnerability
Improper verification of cryptographic signature in Azure Data Factory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-55015Medium· 5.5Microsoft Remote Help Denial of Service Vulnerability
Uncontrolled search path element in Windows Remote Help allows an authorized attacker to deny service locally.
CVE-2026-55013High· 7.1Windows Remote Help Defense Spoofing Vulnerability
Uncontrolled search path element in Windows Remote Help Defense allows an authorized attacker to perform spoofing locally.
CVE-2026-68782Critical· 9.9Azure SQL Database Elevation of Privilege Vulnerability
Improper neutralization of special elements used in an sql command ('sql injection') in Azure SQL Database allows an authorized attacker to elevate privileges over a network.
CVE-2026-66800High· 8.6Azure Data Factory Information Disclosure Vulnerability
Server-side request forgery (ssrf) in Azure Data Factory allows an unauthorized attacker to disclose information over a network.
CVE-2026-65816Critical· 10.0Azure Arc Elevation of Privilege Vulnerability
Use of incorrectly-resolved name or reference in Azure Arc allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-65770Critical· 10.0Azure Managed Instance for Apache Cassandra Remote Code Execution Vulnerability
Improper neutralization of argument delimiters in a command ('argument injection') in Azure Managed Instance for Apache Cassandra allows an unauthorized attacker to execute code over a network.
CVE-2026-63509Critical· 9.9Microsoft Fabric Elevation of Privilege Vulnerability
Relative path traversal in Microsoft Fabric allows an authorized attacker to elevate privileges over a network.
CVE-2026-69419High· 8.5Azure Data Manager for Energy Remote Code Execution Vulnerability
Integer overflow or wraparound in Azure Data Manager for Energy allows an authorized attacker to execute code over a network.
CVE-2026-69400Critical· 9.6Azure Logic Apps Elevation of Privilege Vulnerability
Improper limitation of a pathname to a restricted directory ('path traversal') in Azure Logic Apps allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-66309Critical· 9.1Azure SQL Database Elevation of Privilege Vulnerability
Improper access control in Azure SQL Database allows an authorized attacker to elevate privileges over a network.
CVE-2026-69550Medium· 6.5Windows App for Mac Information Disclosure Vulnerability
Out-of-bounds read in Remote Desktop Client allows an unauthorized attacker to disclose information over a network.
CVE-2026-62727High· 7.0Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
CVE-2026-24301High· 8.8PoCMicrosoft Copilot Information Disclosure Vulnerability
Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.
CVE-2026-72970High· 8.3Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
CVE-2026-69414High· 7.8PoCMicrosoft Defender Elevation of Privilege Vulnerability
Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "ShieldBreak ".
CVE-2026-50523High· 7.8Microsoft PowerShell Remote Code Execution Vulnerability
Improper neutralization of special elements used in a command ('command injection') in Microsoft PowerShell allows an authorized attacker to execute code locally.
CVE-2026-73299Critical· 10.0Prompty is a markdown file format (.prompty) for LLM prompts
Prompty is a markdown file format (.prompty) for LLM prompts. Prior to 0.1.5 and 2.0.0-beta.5, the TypeScript Nunjucks renderer evaluated untrusted .prompty template bodies with unrestricted JavaScript member access. An attacker-controll…
GHSA-2q33-cf8w-7q23Critical· 9.8Duplicate Advisory: Microsoft QUIC Remote Code Execution Vulnerability
Duplicate Advisory: Microsoft QUIC Remote Code Execution Vulnerability
CVE-2026-70307High· 7.0Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-70340High· 8.1Azure CycleCloud Elevation of Privilege Vulnerability
Missing authorization in Azure CycleCloud allows an authorized attacker to elevate privileges over a network.
CVE-2026-70330Medium· 6.7Windows DNS Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows DNS allows an authorized attacker to elevate privileges locally.
CVE-2026-70329High· 8.8Microsoft Outlook Remote Code Execution Vulnerability
Integer overflow or wraparound in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
CVE-2026-70328Medium· 6.5Microsoft Excel Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
CVE-2026-70327Medium· 6.5Microsoft Excel Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.