Microsoft Patch Tuesday
What Microsoft fixes on the second Tuesday of every month – straight from the official Security Update Guide: number of vulnerabilities, critical and already exploited ones (zero-days), affected products and the history of the last 24 months.
Patch Tuesday July 2026
622 of them published on Patch Tuesday (Tue, 14 Jul 2026), the rest added during the month. The month also contains 1,347 CVEs from other issuers that Microsoft ships in its own products (e.g. Chromium in Edge, Linux in Azure Linux) – they are not counted here. Microsoft Security Update Guide
Already exploited (zero-days)
Active Directory Federation Services Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099536 KB5099535 · MSRC
Microsoft SharePoint Server Elevation of Privilege Vulnerability
Publicly disclosed beforehand
Windows BitLocker Security Feature Bypass Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Critical vulnerabilities (74)
Microsoft Exchange Online Tampering Vulnerability
Server software (Exchange, SharePoint …) · MSRC
Data Quality Elevation of Privilege Vulnerability
Azure · MSRC
Azure DNS Elevation of Privilege Vulnerability
Microsoft Office · MSRC
Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability
Azure · MSRC
Azure Key Vault Elevation of Privilege Vulnerability
Microsoft Office · MSRC
Azure Cosmos DB Remote Code Execution Vulnerability
Azure · MSRC
Azure OpenAI Elevation of Privilege Vulnerability
Azure · MSRC
Microsoft M365 Copilot Remote Code Execution Vulnerability
Apps · MSRC
Show 66 more
Microsoft Surface Remote Code Execution Vulnerability
Browser (Edge) · MSRC
Microsoft Windows VMSwitch Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Microsoft Entra Provisioning Service Elevation of Privilege Vulnerability
Azure · MSRC
Windows DHCP Server Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099536 KB5099535 · MSRC
Microsoft SharePoint Remote Code Execution Vulnerability
Microsoft SQL Server Remote Code Execution Vulnerability
Microsoft SQL Server Remote Code Execution Vulnerability
Minecraft Bedrock Dedicated Server Remote Code Execution Vulnerability
Other · MSRC
Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Code Execution Vulnerability
Microsoft Dynamics · MSRC
DHCP Server Service Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099536 KB5099535 · MSRC
Microsoft Account Remote Code Execution Vulnerability
Azure · MSRC
Windows Server Network driver Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows GDI+ Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Microsoft Exchange Server Spoofing Vulnerability
Windows ESU (Extended Security Updates), Server software (Exchange, SharePoint …) · KB5103215 KB5103214 KB5103213 KB5103212 · MSRC
Microsoft 365 Copilot Elevation of Privilege Vulnerability
Apps · MSRC
Azure Portal Information Disclosure Vulnerability
Azure · MSRC
Microsoft SharePoint Server Security Feature Bypass Vulnerability
DHCP Server Service Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099536 KB5099535 · MSRC
DHCP Server Service Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099536 KB5099535 · MSRC
DirectX Graphics Kernel Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows Server Update Service (WSUS) Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099536 KB5099535 · MSRC
Remote Desktop Client Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Active Directory Certificate Services Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099536 KB5099535 · MSRC
Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows TCP/IP Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Microsoft Windows Media Foundation Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Microsoft Windows Media Foundation Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Microsoft Windows Media Foundation Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows Print Spooler Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Azure AI Search Elevation of Privilege Vulnerability
Azure · MSRC
Windows DHCP Client Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Microsoft Message Queuing Queue Manager Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Microsoft Office Remote Code Execution Vulnerability
Microsoft Office · KB5002891 KB5002892 KB5002883 KB5002885 · MSRC
Windows Hyper-V Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows Active Directory Domain Services Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Azure API Management (APIM) Remote Code Execution Vulnerability
Azure · MSRC
Windows Secure Kernel Mode Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows GDI+ Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Microsoft Office Remote Code Execution Vulnerability
Windows Media Remote Code Execution Vulnerability
Microsoft Office Remote Code Execution Vulnerability
Microsoft Windows Media Foundation Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Microsoft Defender Remote Code Execution Vulnerability
System Center and Defender · MSRC
Microsoft Defender Remote Code Execution Vulnerability
System Center and Defender · MSRC
Microsoft Office Remote Code Execution Vulnerability
Microsoft Office Remote Code Execution Vulnerability
Microsoft Word Remote Code Execution Vulnerability
Microsoft Office · KB5002883 KB5002885 KB5002890 KB5002891 · MSRC
Microsoft PowerPoint Remote Code Execution Vulnerability
Microsoft Office Remote Code Execution Vulnerability
Microsoft Office Remote Code Execution Vulnerability
Microsoft PowerPoint Remote Code Execution Vulnerability
Microsoft PowerPoint Remote Code Execution Vulnerability
Microsoft Word Remote Code Execution Vulnerability
Microsoft Office · KB5002883 KB5002885 KB5002890 KB5002882 · MSRC
Microsoft Office Remote Code Execution Vulnerability
Microsoft Word Remote Code Execution Vulnerability
Microsoft Office · KB5002891 KB5002892 KB5002883 KB5002885 · MSRC
Microsoft Office Remote Code Execution Vulnerability
Microsoft Windows Media Foundation Remote Code Execution Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows Media Remote Code Execution Vulnerability
Windows Hyper-V Elevation of Privilege Vulnerability
Windows Secure Kernel Mode Elevation of Privilege Vulnerability
Microsoft Graph Information Disclosure Vulnerability
Azure · MSRC
Microsoft Azure Synapse Elevation of Privilege Vulnerability
Azure · MSRC
Microsoft Edge Copilot Remote Code Execution Vulnerability
Browser (Edge) · MSRC
Azure Red Hat OpenShift (ARO) Elevation of Privilege Vulnerability
Azure · MSRC
Exploitation more likely according to Microsoft
Windows Kernel Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows Kernel Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Win32k Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
Browser (Edge) · MSRC
Windows StateRepository API Server file Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Microsoft DWM Core Library Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Show 24 more
Windows Kernel Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Microsoft Install Service Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows Audio Compression Manager (ACM) Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows GDI Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates), Microsoft Office · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows Kernel Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099540 KB5099539 KB5099536 KB5101650 · MSRC
Windows Media Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows Network Connections Service Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Wireless Wide Area Network Service (WwanSvc) Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099539 KB5099536 KB5101650 · MSRC
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows Win32k Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows Win32k Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows Win32k Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows File History Service Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows Admin Center (WAC) Remote Code Execution Vulnerability
Windows · MSRC
Desktop Window Manager Elevation of Privilege Vulnerability
Windows SMB Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Win32k Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Win32k Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Win32k Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows Kernel Elevation of Privilege Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows Boot Loader Security Feature Bypass Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
Windows Kernel Information Disclosure Vulnerability
Windows, Windows ESU (Extended Security Updates) · KB5099538 KB5099540 KB5099539 KB5099536 · MSRC
DirectX Graphics Kernel Elevation of Privilege Vulnerability
Show all 663 CVEs of this month
History of the last 24 months
- Critical
- High
- Medium
- Low
- exploited (zero-day)
Number of Microsoft CVEs per Patch Tuesday by severity; the red dot shows the number of vulnerabilities already exploited. Click a month for the details.
| Month | CVE | Critical | Exploited (zero-day) | Publicly disclosed | Highest CVSS |
|---|---|---|---|---|---|
| October 2026 | 1,475 | 94 | 1 | 1 | 10.0 |
| September 2026 | 998 | 131 | 2 | 0 | 10.0 |
| August 2026 | 457 | 84 | 1 | 3 | 10.0 |
| July 2026 | 663 | 75 | 3 | 1 | 10.0 |
| June 2026 | 220 | 49 | 0 | 4 | 10.0 |
| May 2026 | 162 | 46 | 3 | 3 | 10.0 |
| April 2026 | 181 | 23 | 2 | 1 | 10.0 |
| March 2026 | 97 | 19 | 0 | 2 | 10.0 |
| February 2026 | 61 | 7 | 6 | 3 | 9.8 |
| January 2026 | 124 | 17 | 2 | 1 | 9.9 |
| December 2025 | 65 | 8 | 1 | 2 | 10.0 |
| November 2025 | 71 | 12 | 1 | 0 | 10.0 |
| October 2025 | 180 | 18 | 2 | 1 | 10.0 |
| September 2025 | 94 | 13 | 0 | 1 | 10.0 |
| August 2025 | 116 | 19 | 0 | 1 | 10.0 |
| July 2025 | 137 | 17 | 1 | 1 | 9.9 |
| June 2025 | 72 | 13 | 1 | 1 | 9.8 |
| May 2025 | 80 | 11 | 5 | 2 | 10.0 |
| April 2025 | 132 | 17 | 1 | 0 | 9.9 |
| March 2025 | 65 | 10 | 6 | 1 | 9.3 |
| February 2025 | 66 | 6 | 3 | 2 | 9.0 |
| January 2025 | 165 | 13 | 3 | 5 | 9.9 |
| December 2024 | 75 | 19 | 1 | 1 | 9.8 |
| November 2024 | 97 | 7 | 3 | 3 | 9.9 |
Sources
The tracker combines official, freely usable data sources – updated continuously:
- NVD (NIST) – CVEs, rating (CVSS), affected products
- CISA KEV – vulnerabilities confirmed by CISA as actively exploited
- CISA Vulnrichment – CISA assessment (SSVC) in the official CVE record
- FIRST EPSS – probability of exploitation
- Microsoft MSRC – Patch Tuesday: vulnerabilities, severity, updates
- PoC-in-GitHub – public proof-of-concept repositories
- Metasploit (Rapid7) – modules of the Metasploit Framework
- Exploit-DB (OffSec) – archive of public exploits (links only)
- Patch days: official vendor pages (linked per vendor) (Vendor patch days)
This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.
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