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-2026-83865
Medium · 4.7
CWE-23 Oct 13, 2026
Windows Internet (wininet.dll) Tampering Vulnerability
Relative path traversal in Windows Internet (wininet.dll) allows an authorized attacker to perform tampering locally.
CVE-2026-83864
Medium · 5.5
CWE-290 Oct 13, 2026
Windows NTFS Information Disclosure Vulnerability
Improper access control in Windows NTFS allows an authorized attacker to disclose information locally.
CVE-2026-83863
High · 7.8
CWE-122 Oct 13, 2026
Servicing Stack Updates Elevation of Privilege Vulnerability
Heap-based buffer overflow in Servicing Stack Updates allows an authorized attacker to elevate privileges locally.
CVE-2026-83862
Critical · 9.8
CWE-416 Oct 13, 2026
Windows Network Load Balancing Remote Code Execution Vulnerability
Use after free in Windows Network Load Balancing allows an unauthorized attacker to execute code over a network.
CVE-2026-83861
High · 7.8
CWE-122 Oct 13, 2026
Windows Remote Desktop Protocol Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Remote Desktop Protocol allows an authorized attacker to elevate privileges locally.
CVE-2026-83860
High · 7.5
CWE-121 Oct 13, 2026
Windows GDI Denial of Service Vulnerability
Stack-based buffer overflow in Windows GDI allows an unauthorized attacker to deny service over a network.
CVE-2026-83859
High · 7.8
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-2026-83857
High · 7.8
CWE-121 Oct 13, 2026
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
CVE-2026-83856
High · 7.5
CWE-125 Oct 13, 2026
Windows Event Logging Service Remote Code Execution Vulnerability
Out-of-bounds read in Windows Event Logging Service allows an unauthorized attacker to execute code over a network.
CVE-2026-83855
High · 7.5
CWE-191 Oct 13, 2026
Windows WLAN Service Denial of Service Vulnerability
Integer underflow (wrap or wraparound) in Windows WLAN Service allows an unauthorized attacker to deny service over a network.
CVE-2026-83854
Medium · 5.5
CWE-306 Oct 13, 2026
Windows Notification Information Disclosure Vulnerability
Improper access control in Windows Notification allows an authorized attacker to disclose information locally.
CVE-2026-83853
High · 7.0
CWE-416 Oct 13, 2026
Windows Hello Elevation of Privilege Vulnerability
Use after free in Windows Hello allows an authorized attacker to elevate privileges locally.
CVE-2026-83852
High · 7.0
CWE-416 Oct 13, 2026
Windows Bind Filter Driver Elevation of Privilege Vulnerability
Use after free in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-83851
High · 8.8
CWE-122 Oct 13, 2026
Windows Partition Management Driver Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Partition Management Driver allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-83850
High · 7.8
CWE-122 Oct 13, 2026
Microsoft Windows Search Component Elevation of Privilege Vulnerability
Heap-based buffer overflow in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
CVE-2026-83849
Medium · 5.5
CWE-125 Oct 13, 2026
Windows Hello Information Disclosure Vulnerability
Out-of-bounds read in Windows Hello allows an authorized attacker to disclose information locally.
CVE-2026-83848
High · 7.8
CWE-822 Oct 13, 2026
Windows COM+ Event System Service Elevation of Privilege Vulnerability
Untrusted pointer dereference in Windows COM+ Event System Service allows an authorized attacker to elevate privileges locally.
CVE-2026-83847
High · 7.8
CWE-122 Oct 13, 2026
Microsoft Account Elevation of Privilege Vulnerability
Heap-based buffer overflow in Microsoft Account allows an authorized attacker to elevate privileges locally.
CVE-2026-83846
High · 7.0
CWE-416 Oct 13, 2026
Connected Devices Platform Service (Cdpsvc) Elevation of Privilege Vulnerability
Use after free in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.
CVE-2026-83845
High · 8.4
CWE-290 Oct 13, 2026
Windows Internet (wininet.dll) Spoofing Vulnerability
Improper privilege management in Windows Internet (wininet.dll) allows an authorized attacker to perform spoofing locally.
CVE-2026-83844
High · 8.1
CWE-125 Oct 13, 2026
Windows Paint Remote Code Execution Vulnerability
Out-of-bounds read in Windows Paint allows an unauthorized attacker to execute code over a network.
CVE-2026-83843
High · 7.5
CWE-125 Oct 13, 2026
Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability
Out-of-bounds read in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.
CVE-2026-83842
High · 7.0
CWE-415 Oct 13, 2026
Windows TCP/IP Elevation of Privilege Vulnerability
Double free in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
CVE-2026-83841
High · 7.0
CWE-362 Oct 13, 2026
Windows Win32k Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K allows an authorized attacker to elevate privileges locally.
CVE-2026-83840
High · 7.8
CWE-1390 Oct 13, 2026
Windows Error Reporting Elevation of Privilege Vulnerability
Weak authentication in Windows Error Reporting allows an authorized attacker to elevate privileges locally.