Microsoft Server security updates, August 2026 (Patch Tuesday 2026-08-11)

Every Microsoft server-product CVE that the Microsoft Security Update Guide published in August 2026, including the Patch Tuesday release on 2026-08-11 and any out-of-band updates. Client-only products (Edge, Office apps, consumer Windows) are not tracked.

Advisories: 156
Critical: 8
High: 112
In CISA KEV: 2

Microsoft server CVEs, August 2026

Aug 20, 2026
Critical [CVE-2026-65801] Microsoft Exchange Online Elevation of Privilege Vulnerability
Critical10.0
Aug 20, 2026
High [CVE-2026-69519] Azure Stack HCI Information Disclosure Vulnerability
High8.6
Aug 11, 2026
Critical [CVE-2026-70306] Microsoft Office SharePoint Spoofing Vulnerability
Critical9.3
Aug 11, 2026
Critical [CVE-2026-65791] Windows iSCSI Target Service Remote Code Execution Vulnerability
Critical9.8
Aug 11, 2026
Critical [CVE-2026-62893] Windows Deployment Services TFTP Server Remote Code Execution Vulnerability
Critical9.8
Aug 11, 2026
Critical [CVE-2026-62878] Windows DNS Server Remote Code Execution Vulnerability
Critical9.8
Aug 11, 2026
Critical [CVE-2026-62815] Microsoft QUIC Remote Code Execution Vulnerability
Critical9.8
Aug 11, 2026
High [CVE-2026-71331] Windows Device Health Attestation (DHA) Remote Code Execution Vulnerability
High8.1
Aug 11, 2026
High [CVE-2026-70326] Microsoft SharePoint Server Elevation of Privilege Vulnerability
High8.8
Aug 11, 2026
High [CVE-2026-56179] Windows Network Address Translation (NAT) Spoofing Vulnerability
High8.3
Aug 11, 2026
High [CVE-2026-66808] Microsoft SharePoint Server Remote Code Execution Vulnerability
High8.8
Aug 11, 2026
High [CVE-2026-65790] Windows Message Queuing Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-65776] Windows Win32k Elevation of Privilege Vulnerability
High7.0
Aug 11, 2026
High [CVE-2026-65775] Windows Win32k Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-65774] Windows Installer Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-65773] Windows Kernel Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-65681] Windows iSCSI Target Service Denial of Service Vulnerability
High7.5
Aug 11, 2026
High [CVE-2026-64921] Microsoft SharePoint Server Elevation of Privilege Vulnerability
High8.8
Aug 11, 2026
High [CVE-2026-64900] Microsoft SharePoint Server Spoofing Vulnerability
High7.3
Aug 11, 2026
High [CVE-2026-62911] Microsoft Exchange Server Elevation of Privilege Vulnerability
High8.0
Aug 11, 2026
High [CVE-2026-62888] Windows DWM Core Library Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62880] Windows NTFS Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62832] Windows User Profile Service Elevation of Privilege Vulnerability
High7.8PoC reported
Aug 11, 2026
High [CVE-2026-62822] Windows GDI+ Remote Code Execution Vulnerability
High8.8
Aug 11, 2026
High [CVE-2026-62824] Remote Desktop Client Remote Code Execution Vulnerability
High8.8
Aug 11, 2026
High [CVE-2026-62823] Windows DHCP Server Remote Code Execution Vulnerability
High8.8
Aug 11, 2026
High [CVE-2026-62811] Windows HTTP.sys Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62807] Windows DHCP Server Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62790] Windows SMBv3 Server Remote Code Execution Vulnerability
High8.8
Aug 11, 2026
High [CVE-2026-62788] Windows Kernel Elevation of Privilege Vulnerability
High7.0
Aug 11, 2026
High [CVE-2026-62781] RPC Runtime Library Remote Code Execution Vulnerability
High8.1
Aug 11, 2026
High [CVE-2026-62778] Windows DNS Elevation of Privilege Vulnerability
High8.1
Aug 11, 2026
High [CVE-2026-62770] Windows Shell Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62771] Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62752] Windows Kerberos Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62751] Windows Projected File System Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62741] Windows HTTP.sys Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62736] Windows DHCP Client Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62734] Windows Telephony Service Elevation of Privilege Vulnerability
High7.0
Aug 11, 2026
High [CVE-2026-62728] Windows Common Log File System Driver Elevation of Privilege Vulnerability
High7.0
Aug 11, 2026
High [CVE-2026-62721] Windows User-Mode Power Service (UMPS) Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62710] Windows Device Association Service Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62698] Microsoft Digest Authentication Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-61938] Windows Installer Elevation of Privilege Vulnerability
High7.0
Aug 11, 2026
High [CVE-2026-61926] Windows USB Driver Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-61358] Windows Accessibility Infrastructure (ATBroker.exe) Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-61357] Application Information Services Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-61365] Windows Remote Desktop Services Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-61355] Windows Sensor Data Service Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-61359] Windows Storage Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-61363] Remote Desktop Client Remote Code Execution Vulnerability
High7.5
Aug 11, 2026
High [CVE-2026-61349] Windows Work Folder Service Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-59126] Windows Event Logging Service Elevation of Privilege Vulnerability
High7.0
Aug 11, 2026
High [CVE-2026-59125] Virtual Hard Disk (VHD) Miniport Driver Elevation of Privilege Vulernability
High7.0
Aug 11, 2026
High [CVE-2026-42976] Remote Access Management service/API (RPC server) Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-70355] Microsoft SharePoint Server Elevation of Privilege Vulnerability
High7.3
Aug 11, 2026
High [CVE-2026-70324] Microsoft SharePoint Elevation of Privilege Vulnerability
High8.8
Aug 11, 2026
High [CVE-2026-70321] Microsoft SharePoint Remote Code Execution Vulnerability
High8.8
Aug 11, 2026
High [CVE-2026-70307] Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
High7.0
Aug 11, 2026
High [CVE-2026-66799] Windows Key Guard Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-65814] Microsoft Windows Storage Port Driver Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-65788] Desktop Window Manager Elevation of Privilege Vulnerability
High7.0
Aug 11, 2026
High [CVE-2026-65787] Desktop Window Manager Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-65789] Windows DNS Server Remote Code Execution Vulnerability
High8.1
Aug 11, 2026
High [CVE-2026-65678] Windows Win32k Elevation of Privilege Vulnerability
High7.0
Aug 11, 2026
High [CVE-2026-65672] Remote Access API Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-65671] Remote Access API Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-65665] Microsoft SharePoint Server Remote Code Execution Vulnerability
High8.8
Aug 11, 2026
High [CVE-2026-62914] Microsoft Exchange Server Spoofing Vulnerability
High7.3
Aug 11, 2026
High [CVE-2026-62913] Microsoft Exchange Server Remote Code Execution Vulnerability
High8.8
Aug 11, 2026
High [CVE-2026-62910] Microsoft Exchange Server Elevation of Privilege Vulnerability
High7.2
Aug 11, 2026
High [CVE-2026-62908] Windows Backup Engine Elevation of Privilege Vulnerability
High7.0
Aug 11, 2026
High [CVE-2026-62894] Windows DWM Core Library Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62892] Capability Access Management Service (camsvc) Elevation of Privilege Vulnerability
High7.0
Aug 11, 2026
High [CVE-2026-62890] Windows GDI+ Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62889] Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability
High8.1
Aug 11, 2026
High [CVE-2026-62819] Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
High8.1
Aug 11, 2026
High [CVE-2026-62818] Windows Active Directory Certificate Services (AD CS) Remote Code Execution Vulnerability
High8.8
Aug 11, 2026
High [CVE-2026-62817] Windows DNS Server Remote Code Execution Vulnerability
High8.8
Aug 11, 2026
High [CVE-2026-62816] Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
High8.8
Aug 11, 2026
High [CVE-2026-62795] Windows LDAP - Lightweight Directory Access Protocol Remote Code Execution Vulnerability
High8.8
Aug 11, 2026
High [CVE-2026-62784] Microsoft Local Security Authority Server (lsasrv) Remote Code Execution Vulnerability
High8.8
Aug 11, 2026
High [CVE-2026-62792] Windows TCP/IP Remote Code Execution Vulnerability
High8.1
Aug 11, 2026
High [CVE-2026-62779] Windows Schannel Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62777] Windows License Manager Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62774] Windows Graphics Kernel Elevation of Privilege Vulnerability
High7.0
Aug 11, 2026
High [CVE-2026-62766] Windows Kerberos Elevation of Privilege Vulnerability
High7.0
Aug 11, 2026
High [CVE-2026-62758] Windows Remote Access Connection Manager Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62755] Windows DHCP Client Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62783] Windows Remote Access Connection Manager Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62739] Windows HTTP.sys Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62722] Microsoft Brokering File System Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62707] Windows Modern Device Management (MDM) Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62696] Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-62690] Windows Push Notifications Elevation of Privilege Vulnerability
High7.0
Aug 11, 2026
High [CVE-2026-61939] Winlogon Elevation of Privilege Vulnerability
High7.0
Aug 11, 2026
High [CVE-2026-61934] Windows Bind Filter Driver Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-61932] Windows DWM Core Library Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-61930] Windows Kernel Elevation of Privilege Vulnerability
High7.8
Aug 11, 2026
High [CVE-2026-61366] Windows Network Connection Broker Elevation of Privilege Vulnerability
High7.0

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Dates are each advisory's publication date at the source, in UTC; a record with no source date is filed under the day VulniPulse first saw it.