Microsoft vulnerabilities
Published CVEs affecting Microsoft products: 5234 record(s), with severity, exploitation and fixes.
Windows Server 2025 3001Windows Server 2025 (Server Core installation) 2997Windows 11 Version 24H2 2883Windows 11 Version 25H2 2835Windows Server 2022 2820Windows Server 2019 2708Windows Server 2019 (Server Core installation) 2666Windows 10 Version 1809 2600Windows 10 Version 21H2 2576Windows 11 version 26H1 2565Windows 10 Version 22H2 2559Windows 11 version 23H2 2391Windows Server 2016 2296Windows Server 2016 (Server Core installation) 2243Windows 11 24h2 2188Windows 10 Version 1607 2181Windows 11 25h2 2140Windows 10 1809 2041Windows 10 21h2 1957Windows 10 22h2 1943Windows Server 2012 1858Windows 11 26h1 1852Windows Server 2012 R2 1817Windows Server 2012 R2 (Server Core installation) 1808Windows 10 1607 1743Windows 11 23h2 1723Windows Server 2012 (Server Core installation) 1703Windows 11 Version 26H2 1007Microsoft 365 Apps for Enterprise 579365 Apps 574Microsoft Office LTSC 2024 559Microsoft Office LTSC 2021 556Windows Server 2022 23h2 544Windows Server 2022, 23H2 Edition (Server Core installation) 543Office 2021 464Office 2024 464Microsoft Office LTSC for Mac 2021 453Microsoft Office LTSC for Mac 2024 452Microsoft Office 2019 386Microsoft Office 365 for Mac 375
CVE-2026-83727
High · 7.8
CWE-126 Oct 13, 2026
Windows Overlay Filter Elevation of Privilege Vulnerability
Buffer over-read in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
CVE-2026-83726
High · 7.8
CWE-416 Oct 13, 2026
Windows DWM Core Library Elevation of Privilege Vulnerability
Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CVE-2026-83725
High · 8.8
CWE-122 Oct 13, 2026
Microsoft Windows Search Component Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Windows Search Component allows an unauthorized attacker to execute code over a network.
CVE-2026-83724
High · 7.0
CWE-122 Oct 13, 2026
Windows Management Instrumentation Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally.
CVE-2026-83723
Medium · 5.5
CWE-908 Oct 13, 2026
Windows Event Logging Service Information Disclosure Vulnerability
Use of uninitialized resource in Windows Event Logging Service allows an authorized attacker to disclose information locally.
CVE-2026-83722
High · 7.0
CWE-362 Oct 13, 2026
Microsoft Local Security Authority (LSA) Server Elevation of Privilege Vulnerability
Use after free in Microsoft Local Security Authority Server (lsasrv) allows an authorized attacker to elevate privileges locally.
CVE-2026-83721
High · 7.8
CWE-416 Oct 13, 2026
Win32k Elevation of Privilege Vulnerability
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
CVE-2026-83720
High · 7.0
CWE-416 Oct 13, 2026
Windows Kerberos Elevation of Privilege Vulnerability
Use after free in Windows Kerberos allows an authorized attacker to elevate privileges locally.
CVE-2026-83719
Medium · 5.5
CWE-126 Oct 13, 2026
Servicing Stack Updates Information Disclosure Vulnerability
Buffer over-read in Servicing Stack Updates allows an authorized attacker to disclose information locally.
CVE-2026-83718
High · 7.0
CWE-416 Oct 13, 2026
Windows Installer Elevation of Privilege Vulnerability
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-83717
High · 7.0
CWE-416 Oct 13, 2026
Windows Installer Elevation of Privilege Vulnerability
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-83716
High · 8.8
CWE-122 Oct 13, 2026
Windows Hyper-V Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
CVE-2026-83715
High · 7.1
CWE-306 Oct 13, 2026
Windows Error Reporting Tampering Vulnerability
Missing authentication for critical function in Windows Error Reporting allows an authorized attacker to perform tampering locally.
CVE-2026-83714
Medium · 5.5
CWE-908 Oct 13, 2026
HTTP.sys Information Disclosure Vulnerability
Use of uninitialized resource in Windows HTTP.sys allows an authorized attacker to disclose information locally.
CVE-2026-83713
Medium · 5.5
CWE-497 Oct 13, 2026
Windows Universal Disk Format File System Driver (UDFS) Information Disclosure Vulnerability
Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to disclose information locally.
CVE-2026-83712
High · 7.8
CWE-787 Oct 13, 2026
Windows NTFS Remote Code Execution Vulnerability
Out-of-bounds write in Windows NTFS allows an authorized attacker to execute code locally.
CVE-2026-83710
High · 7.0
CWE-416 Oct 13, 2026
Windows Device Association Service Elevation of Privilege Vulnerability
Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges locally.
CVE-2026-83709
High · 7.8
CWE-122 Oct 13, 2026
Windows NTLM Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows NTLM allows an authorized attacker to elevate privileges locally.
CVE-2026-83708
High · 7.0
CWE-121 Oct 13, 2026
Windows Installer Elevation of Privilege Vulnerability
Stack-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-83707
High · 7.0
CWE-416 Oct 13, 2026
Windows Event Tracing Elevation of Privilege Vulnerability
Use after free in Windows Event Tracing allows an authorized attacker to elevate privileges locally.
CVE-2026-83706
Medium · 6.7
CWE-416 Oct 13, 2026
Windows NTFS Elevation of Privilege Vulnerability
Use after free in Windows NTFS allows an authorized attacker to elevate privileges locally.
CVE-2026-83705
Medium · 5.5
CWE-497 Oct 13, 2026
HTTP.sys Information Disclosure Vulnerability
Exposure of sensitive system information to an unauthorized control sphere in Windows HTTP.sys allows an authorized attacker to disclose information locally.
CVE-2026-83704
High · 7.8
CWE-59 Oct 13, 2026
Microsoft Windows Search Component Elevation of Privilege Vulnerability
Improper link resolution before file access ('link following') in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
CVE-2026-83703
Medium · 6.5
CWE-125 Oct 13, 2026
Windows Wi-Fi Driver Denial of Service Vulnerability
Out-of-bounds read in Windows Wi-Fi Driver allows an unauthorized attacker to deny service over an adjacent network.
CVE-2026-83702
High · 7.0
CWE-416 Oct 13, 2026
Windows Installer Elevation of Privilege Vulnerability
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.