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 2186Windows 10 Version 1607 2181Windows 11 25h2 2138Windows 10 1809 2039Windows 10 21h2 1955Windows 10 22h2 1941Windows Server 2012 1858Windows 11 26h1 1850Windows Server 2012 R2 1817Windows Server 2012 R2 (Server Core installation) 1808Windows 10 1607 1741Windows 11 23h2 1721Windows Server 2012 (Server Core installation) 1703Windows 11 Version 26H2 1007Microsoft 365 Apps for Enterprise 579Microsoft Office LTSC 2024 559365 Apps 556Microsoft Office LTSC 2021 556Windows Server 2022 23h2 544Windows Server 2022, 23H2 Edition (Server Core installation) 543Microsoft Office LTSC for Mac 2021 453Microsoft Office LTSC for Mac 2024 452Office 2021 446Office 2024 446Microsoft Office 2019 386Microsoft Office 365 for Mac 375
CVE-2026-83786
Medium · 4.7
CWE-209 Oct 13, 2026
Windows NTFS Information Disclosure Vulnerability
Generation of error message containing sensitive information in Windows NTFS allows an authorized attacker to disclose information locally.
CVE-2026-83785
High · 7.0
CWE-416 Oct 13, 2026
Windows COM+ Event System Service Elevation of Privilege Vulnerability
Use after free in Windows COM+ Event System Service allows an authorized attacker to elevate privileges locally.
CVE-2026-83784
High · 8.8
CWE-36 Oct 13, 2026
Windows Encrypting File System (EFS) Elevation of Privilege Vulnerability
Absolute path traversal in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges over a network.
CVE-2026-83783
High · 7.8
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-2026-83782
Critical · 9.8
CWE-122 Oct 13, 2026
Windows Shell Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Shell allows an unauthorized attacker to execute code over a network.
CVE-2026-83781
High · 7.8
CWE-170 Oct 13, 2026
Windows Program Compatibility Assistant Service Elevation of Privilege Vulnerability
Improper null termination in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
CVE-2026-83780
Critical · 9.8
CWE-416 Oct 13, 2026
Windows CCFFilter Driver Remote Code Execution Vulnerability
Use after free in Windows CCFFilter Driver allows an unauthorized attacker to execute code over a network.
CVE-2026-83779
High · 7.8
CWE-122 Oct 13, 2026
Windows Installer Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-83778
High · 8.8
CWE-122 Oct 13, 2026
Microsoft Internet Messaging API Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Internet Messaging API allows an unauthorized attacker to execute code over a network.
CVE-2026-83777
High · 8.8
CWE-122 Oct 13, 2026
Windows Bluetooth Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Bluetooth Service allows an unauthorized attacker to elevate privileges over an adjacent network.
CVE-2026-83776
Medium · 6.8
CWE-125 Oct 13, 2026
Windows Bluetooth Driver Elevation of Privilege Vulnerability
Out-of-bounds read in Microsoft Bluetooth Driver allows an unauthorized attacker to elevate privileges with a physical attack.
CVE-2026-83775
High · 7.0
CWE-122 Oct 13, 2026
Windows Installer Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Installer allows an authorized attacker to elevate privileges locally.
CVE-2026-83774
Medium · 4.7
CWE-497 Oct 13, 2026
Windows Win32 Kernel Subsystem Information Disclosure Vulnerability
Exposure of sensitive system information to an unauthorized control sphere in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally.
CVE-2026-83773
Medium · 5.5
CWE-497 Oct 13, 2026
Windows MIDI Service Module Information Disclosure Vulnerability
Exposure of sensitive system information to an unauthorized control sphere in Windows MIDI Service Module allows an authorized attacker to disclose information locally.
CVE-2026-83771
High · 8.8
CWE-416 Oct 13, 2026
Windows Camera Frame Server Monitor Elevation of Privilege Vulnerability
Use after free in Windows Camera Frame Server Monitor allows an unauthorized attacker to elevate privileges over an adjacent network.
CVE-2026-83770
Critical · 9.8
CWE-122 Oct 13, 2026
Windows Text Shaping Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code over a network.
CVE-2026-83769
High · 7.8
CWE-416 Oct 13, 2026
Microsoft OpenSSH for Windows Elevation of Privilege Vulnerability
Use after free in OpenSSH for Windows allows an authorized attacker to elevate privileges locally.
CVE-2026-83768
High · 7.8
CWE-122 Oct 13, 2026
Windows Kernel Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-83767
High · 7.8
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-2026-83766
Medium · 4.2
CWE-863 Oct 13, 2026
Windows Hyper-V Security Feature Bypass Vulnerability
Incorrect authorization in Windows Hyper-V allows an authorized attacker to bypass a security feature over an adjacent network.
CVE-2026-83765
Medium · 5.5
CWE-125 Oct 13, 2026
Windows DWM Core Library Information Disclosure Vulnerability
Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to disclose information locally.
CVE-2026-83764
Medium · 5.5
CWE-863 Oct 13, 2026
Windows Clipboard User Service Information Disclosure Vulnerability
Incorrect authorization in Windows Clipboard User Service allows an authorized attacker to disclose information locally.
CVE-2026-83763
High · 7.8
CWE-843 Oct 13, 2026
Windows Input System Elevation of Privilege Vulnerability
Access of resource using incompatible type ('type confusion') in Windows Input System allows an authorized attacker to elevate privileges locally.
CVE-2026-83762
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-2026-83761
High · 7.8
CWE-416 Oct 13, 2026
Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability
Use after free in Windows Win32 Kernel Subsystem allows an authorized attacker to elevate privileges locally.