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Microsoft March 2026 Patch Tuesday fixes 2 zero-days, 79 flaws

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CVE ID

CVE Title

Severity


.NET

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CVE-2026-26131

.NET Elevation of Privilege Vulnerability

Important


.NET

CVE-2026-26127

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.NET Denial of Service Vulnerability

Important


Active Directory Domain Services

CVE-2026-25177

Active Directory Domain Services Elevation of Privilege Vulnerability

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Important


ASP.NET Core

CVE-2026-26130

ASP.NET Core Denial of Service Vulnerability

Important


Azure Arc

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CVE-2026-26141

Hybrid Worker Extension (Arc-enabled Windows VMs) Elevation of Privilege Vulnerability

Important


Azure Compute Gallery

CVE-2026-23651

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Microsoft ACI Confidential Containers Elevation of Privilege Vulnerability

Critical


Azure Compute Gallery

CVE-2026-26124

Microsoft ACI Confidential Containers Elevation of Privilege Vulnerability

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Critical


Azure Compute Gallery

CVE-2026-26122

Microsoft ACI Confidential Containers Information Disclosure Vulnerability

Critical


Azure Entra ID

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CVE-2026-26148

Microsoft Azure AD SSH Login extension for Linux Elevation of Privilege Vulnerability

Important


Azure IoT Explorer

CVE-2026-26121

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Azure IOT Explorer Spoofing Vulnerability

Important


Azure IoT Explorer

CVE-2026-23662

Azure IoT Explorer Information Disclosure Vulnerability

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Important


Azure IoT Explorer

CVE-2026-23661

Azure IoT Explorer Information Disclosure Vulnerability

Important


Azure IoT Explorer

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CVE-2026-23664

Azure IoT Explorer Information Disclosure Vulnerability

Important


Azure Linux Virtual Machines

CVE-2026-23665

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Linux Azure Diagnostic extension (LAD) Elevation of Privilege Vulnerability

Important


Azure MCP Server

CVE-2026-26118

Azure MCP Server Tools Elevation of Privilege Vulnerability

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Important


Azure Portal Windows Admin Center

CVE-2026-23660

Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability

Important


Azure Windows Virtual Machine Agent

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CVE-2026-26117

Arc Enabled Servers – Azure Connected Machine Agent Elevation of Privilege Vulnerability

Important


Broadcast DVR

CVE-2026-23667

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Broadcast DVR Elevation of Privilege Vulnerability

Important


Connected Devices Platform Service (Cdpsvc)

CVE-2026-24292

Windows Connected Devices Platform Service Elevation of Privilege Vulnerability

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Important


GitHub Repo: zero-shot-scfoundation

CVE-2026-23654

GitHub: Zero Shot SCFoundation Remote Code Execution Vulnerability

Important


Mariner

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CVE-2026-23235

f2fs: fix out-of-bounds access in sysfs attribute read/write

Important


Mariner

CVE-2026-23234

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f2fs: fix to avoid UAF in f2fs_write_end_io()

Important


Mariner

CVE-2026-3713

pnggroup libpng pnm2png pnm2png.c do_pnm2png heap-based overflow

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Moderate


Mariner

CVE-2026-23237

platform/x86: classmate-laptop: Add missing NULL pointer checks

Moderate


Mariner

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CVE-2026-26017

CoreDNS ACL Bypass

Important


Mariner

CVE-2026-26018

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CoreDNS Loop Detection Denial of Service Vulnerability

Important


Mariner

CVE-2026-2297

SourcelessFileLoader does not use io.open_code()

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Moderate


Mariner

CVE-2026-0038

In multiple functions of mem_protect.c, there is a possible way to execute arbitrary code due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Important


Mariner

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CVE-2026-27601

Underscore.js has unlimited recursion in _.flatten and _.isEqual, potential for DoS attack

Important


Mariner

CVE-2026-23236

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fbdev: smscufx: properly copy ioctl memory to kernelspace

Moderate


Mariner

CVE-2026-23865

An integer overflow in the tt_var_load_item_variation_store function of the Freetype library in versions 2.13.2 and 2.13.3 may allow for an out of bounds read operation when parsing HVAR/VVAR/MVAR tables in OpenType variable fonts. This issue is fixed in version 2.14.2.

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Moderate


Mariner

CVE-2025-71238

scsi: qla2xxx: Fix bsg_done() causing double free

Moderate


Mariner

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CVE-2026-3338

PKCS7_verify Signature Validation Bypass in AWS-LC

Important


Mariner

CVE-2026-23231

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netfilter: nf_tables: fix use-after-free in nf_tables_addchain()

Important


Mariner

CVE-2026-3381

Compress::Raw::Zlib versions through 2.219 for Perl use potentially insecure versions of zlib

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Critical


Mariner

CVE-2026-0031

In multiple functions of mem_protect.c, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Important


Mariner

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CVE-2026-23238

romfs: check sb_set_blocksize() return value

Moderate


Mariner

CVE-2026-3494

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MariaDB Server Audit Plugin Comment Handling Bypass

Moderate


Mariner

CVE-2026-3336

PKCS7_verify Certificate Chain Validation Bypass in AWS-LC

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Important


Mariner

CVE-2026-0032

In multiple functions of mem_protect.c, there is a possible out-of-bounds write due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Important


Microsoft Authenticator

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CVE-2026-26123

Microsoft Authenticator Information Disclosure Vulnerability

Important


Microsoft Brokering File System

CVE-2026-25167

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Microsoft Brokering File System Elevation of Privilege Vulnerability

Important


Microsoft Devices Pricing Program

CVE-2026-21536

Microsoft Devices Pricing Program Remote Code Execution Vulnerability

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Critical


Microsoft Edge (Chromium-based)

CVE-2026-3544

Chromium: CVE-2026-3544 Heap buffer overflow in WebCodecs

Unknown


Microsoft Edge (Chromium-based)

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CVE-2026-3540

Chromium: CVE-2026-3540 Inappropriate implementation in WebAudio

Unknown


Microsoft Edge (Chromium-based)

CVE-2026-3536

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Chromium: CVE-2026-3536 Integer overflow in ANGLE

Unknown


Microsoft Edge (Chromium-based)

CVE-2026-3538

Chromium: CVE-2026-3538 Integer overflow in Skia

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Unknown


Microsoft Edge (Chromium-based)

CVE-2026-3545

Chromium: CVE-2026-3545 Insufficient data validation in Navigation

Unknown


Microsoft Edge (Chromium-based)

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CVE-2026-3541

Chromium: CVE-2026-3541 Inappropriate implementation in CSS

Unknown


Microsoft Edge (Chromium-based)

CVE-2026-3543

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Chromium: CVE-2026-3543 Inappropriate implementation in V8

Unknown


Microsoft Edge (Chromium-based)

CVE-2026-3539

Chromium: CVE-2026-3539 Object lifecycle issue in DevTools

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Unknown


Microsoft Edge (Chromium-based)

CVE-2026-3542

Chromium: CVE-2026-3542 Inappropriate implementation in WebAssembly

Unknown


Microsoft Graphics Component

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CVE-2026-25169

Windows Graphics Component Denial of Service Vulnerability

Important


Microsoft Graphics Component

CVE-2026-25180

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Windows Graphics Component Information Disclosure Vulnerability

Important


Microsoft Graphics Component

CVE-2026-25168

Windows Graphics Component Denial of Service Vulnerability

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Important


Microsoft Graphics Component

CVE-2026-23668

Windows Graphics Component Elevation of Privilege Vulnerability

Important


Microsoft Office

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CVE-2026-26110

Microsoft Office Remote Code Execution Vulnerability

Critical


Microsoft Office

CVE-2026-26113

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Microsoft Office Remote Code Execution Vulnerability

Critical


Microsoft Office

CVE-2026-26134

Microsoft Office Elevation of Privilege Vulnerability

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Important


Microsoft Office Excel

CVE-2026-26144

Microsoft Excel Information Disclosure Vulnerability

Critical


Microsoft Office Excel

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CVE-2026-26109

Microsoft Excel Remote Code Execution Vulnerability

Important


Microsoft Office Excel

CVE-2026-26108

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Microsoft Excel Remote Code Execution Vulnerability

Important


Microsoft Office Excel

CVE-2026-26107

Microsoft Excel Remote Code Execution Vulnerability

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Important


Microsoft Office Excel

CVE-2026-26112

Microsoft Excel Remote Code Execution Vulnerability

Important


Microsoft Office SharePoint

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CVE-2026-26105

Microsoft SharePoint Server Spoofing Vulnerability

Important


Microsoft Office SharePoint

CVE-2026-26114

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Microsoft SharePoint Server Remote Code Execution Vulnerability

Important


Microsoft Office SharePoint

CVE-2026-26106

Microsoft SharePoint Server Remote Code Execution Vulnerability

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Important


Microsoft Semantic Kernel Python SDK

CVE-2026-26030

GitHub: CVE-2026-26030 Microsoft Semantic Kernel InMemoryVectorStore filter functionality vulnerable

Important


Payment Orchestrator Service

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CVE-2026-26125

Payment Orchestrator Service Elevation of Privilege Vulnerability

Critical


Push Message Routing Service

CVE-2026-24282

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Push message Routing Service Elevation of Privilege Vulnerability

Important


Role: Windows Hyper-V

CVE-2026-25170

Windows Hyper-V Elevation of Privilege Vulnerability

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Important


SQL Server

CVE-2026-21262

SQL Server Elevation of Privilege Vulnerability

Important


SQL Server

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CVE-2026-26116

SQL Server Elevation of Privilege Vulnerability

Important


SQL Server

CVE-2026-26115

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SQL Server Elevation of Privilege Vulnerability

Important


System Center Operations Manager

CVE-2026-20967

System Center Operations Manager (SCOM) Elevation of Privilege Vulnerability

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Important


Windows Accessibility Infrastructure (ATBroker.exe)

CVE-2026-25186

Windows Accessibility Infrastructure (ATBroker.exe) Information Disclosure Vulnerability

Important


Windows Accessibility Infrastructure (ATBroker.exe)

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CVE-2026-24291

Windows Accessibility Infrastructure (ATBroker.exe) Elevation of Privilege Vulnerability

Important


Windows Ancillary Function Driver for WinSock

CVE-2026-25179

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Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Important


Windows Ancillary Function Driver for WinSock

CVE-2026-24293

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

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Important


Windows Ancillary Function Driver for WinSock

CVE-2026-25176

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Important


Windows Ancillary Function Driver for WinSock

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CVE-2026-25178

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Important


Windows App Installer

CVE-2026-23656

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Windows App Installer Spoofing Vulnerability

Important


Windows Authentication Methods

CVE-2026-25171

Windows Authentication Elevation of Privilege Vulnerability

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Important


Windows Bluetooth RFCOM Protocol Driver

CVE-2026-23671

Windows Bluetooth RFCOM Protocol Driver Elevation of Privilege Vulnerability

Important


Windows Device Association Service

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CVE-2026-24296

Windows Device Association Service Elevation of Privilege Vulnerability

Important


Windows Device Association Service

CVE-2026-24295

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Windows Device Association Service Elevation of Privilege Vulnerability

Important


Windows DWM Core Library

CVE-2026-25189

Windows DWM Core Library Elevation of Privilege Vulnerability

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Important


Windows Extensible File Allocation

CVE-2026-25174

Windows Extensible File Allocation Table Elevation of Privilege Vulnerability

Important


Windows File Server

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CVE-2026-24283

Multiple UNC Provider Kernel Driver Elevation of Privilege Vulnerability

Important


Windows GDI

CVE-2026-25190

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GDI Remote Code Execution Vulnerability

Important


Windows GDI+

CVE-2026-25181

GDI+ Information Disclosure Vulnerability

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Important


Windows Kerberos

CVE-2026-24297

Windows Kerberos Security Feature Bypass Vulnerability

Important


Windows Kernel

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CVE-2026-26132

Windows Kernel Elevation of Privilege Vulnerability

Important


Windows Kernel

CVE-2026-24289

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Windows Kernel Elevation of Privilege Vulnerability

Important


Windows Kernel

CVE-2026-24287

Windows Kernel Elevation of Privilege Vulnerability

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Important


Windows MapUrlToZone

CVE-2026-23674

MapUrlToZone Security Feature Bypass Vulnerability

Important


Windows Mobile Broadband

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CVE-2026-24288

Windows Mobile Broadband Driver Remote Code Execution Vulnerability

Important


Windows NTFS

CVE-2026-25175

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Windows NTFS Elevation of Privilege Vulnerability

Important


Windows Performance Counters

CVE-2026-25165

Performance Counters for Windows Elevation of Privilege Vulnerability

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Important


Windows Print Spooler Components

CVE-2026-23669

Windows Print Spooler Remote Code Execution Vulnerability

Important


Windows Projected File System

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CVE-2026-24290

Windows Projected File System Elevation of Privilege Vulnerability

Important


Windows Resilient File System (ReFS)

CVE-2026-23673

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Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability

Important


Windows Routing and Remote Access Service (RRAS)

CVE-2026-26111

Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

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Important


Windows Routing and Remote Access Service (RRAS)

CVE-2026-25173

Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

Important


Windows Routing and Remote Access Service (RRAS)

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CVE-2026-25172

Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

Important


Windows Shell Link Processing

CVE-2026-25185

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Windows Shell Link Processing Spoofing Vulnerability

Important


Windows SMB Server

CVE-2026-26128

Windows SMB Server Elevation of Privilege Vulnerability

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Important


Windows SMB Server

CVE-2026-24294

Windows SMB Server Elevation of Privilege Vulnerability

Important


Windows System Image Manager

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CVE-2026-25166

Windows System Image Manager Assessment and Deployment Kit (ADK) Remote Code Execution Vulnerability

Important


Windows Telephony Service

CVE-2026-25188

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Windows Telephony Service Elevation of Privilege Vulnerability

Important


Windows Universal Disk Format File System Driver (UDFS)

CVE-2026-23672

Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability

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Important


Windows Win32K

CVE-2026-24285

Win32k Elevation of Privilege Vulnerability

Important


Winlogon

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CVE-2026-25187

Winlogon Elevation of Privilege Vulnerability

Important


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