Microsoft vulnerabilities
Published CVEs affecting Microsoft products: 5240 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 2297Windows 11 24h2 2295Windows 11 25h2 2247Windows Server 2016 (Server Core installation) 2243Windows 10 Version 1607 2181Windows 10 1809 2132Windows 10 21h2 2049Windows 10 22h2 2035Windows 11 26h1 1959Windows Server 2012 1863Windows 11 23h2 1828Windows Server 2012 R2 1817Windows 10 1607 1816Windows Server 2012 R2 (Server Core installation) 1808Windows Server 2012 (Server Core installation) 1703Windows 11 Version 26H2 1007Microsoft 365 Apps for Enterprise 577365 Apps 575Microsoft Office LTSC 2024 557Microsoft Office LTSC 2021 554Windows Server 2022 23h2 544Windows Server 2022, 23H2 Edition (Server Core installation) 543Office 2021 465Office 2024 465Microsoft Office LTSC for Mac 2021 451Microsoft Office LTSC for Mac 2024 450Windows 11 26h2 431Microsoft Office 2019 386
CVE-2026-66303
Medium · 6.5
CWE-476 Sep 8, 2026
Skype for Business and Lync Denial of Service Vulnerability
Null pointer dereference in Skype for Business allows an authorized attacker to deny service over a network.
CVE-2026-66302
Critical · 9.8
CWE-73 Sep 8, 2026
Skype for Business Remote Code Execution Vulnerability
External control of file name or path in Skype for Business allows an unauthorized attacker to execute code over a network.
CVE-2026-63523
Medium · 6.1
CWE-79 Sep 8, 2026
Skype for Business Spoofing Vulnerability
Improper neutralization of input during web page generation ('cross-site scripting') in Skype for Business allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-85880
High · 7.8
KEV High · 54 CWE-122 Sep 8, 2026
Microsoft Windows Heap-Based Buffer Overflow Vulnerability
Heap-based buffer overflow in Windows ALPC allows an authorized attacker to elevate privileges locally.
CVE-2026-85877
High · 8.8
CWE-122 Sep 8, 2026
Windows Print Spooler Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Print Spooler Components allows an unauthorized attacker to execute code over a network.
CVE-2026-85875
Medium · 5.5
CWE-125 Sep 8, 2026
Microsoft Office Excel Information Disclosure Vulnerability
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVE-2026-85360
High · 7.0
CWE-416 Sep 8, 2026
Windows Kernel Elevation of Privilege Vulnerability
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-84003
High · 7.4
CWE-294 Sep 8, 2026
Microsoft Authentication Library (MSAL) for Node.js Spoofing Vulnerability
Authentication bypass by capture-replay in Microsoft Authentication Library (MSAL) for Node.js allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-84001
High · 7.5
CWE-125 Sep 8, 2026
Windows Key Distribution Center Denial of Service Vulnerability
Out-of-bounds read in Windows Key Distribution Center allows an unauthorized attacker to deny service over a network.
CVE-2026-84000
High · 7.8
CWE-122 Sep 8, 2026
Microsoft Graphics Component Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to execute code locally.
CVE-2026-83999
High · 7.0
CWE-59 Sep 8, 2026
Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
Improper link resolution before file access ('link following') in Windows Resilient File System (ReFS) Deduplication Service allows an authorized attacker to elevate privileges locally.
CVE-2026-83998
High · 8.8
CWE-122 Sep 8, 2026
Remote Desktop Client Remote Code Execution Vulnerability
Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
CVE-2026-83997
High · 8.1
CWE-416 Sep 8, 2026
Windows Message Queuing Remote Code Execution Vulnerability
Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a network.
CVE-2026-83996
High · 8.8
CWE-122 Sep 8, 2026
Windows Error Reporting Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
CVE-2026-83995
High · 7.8
CWE-122 Sep 8, 2026
Windows NTFS Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.
CVE-2026-83992
High · 8.8
CWE-122 Sep 8, 2026
Windows Imaging Component Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code over a network.
CVE-2026-83991
Medium · 5.5
CWE-306 Sep 8, 2026
Windows Cloud Files Mini Filter Driver Tampering Vulnerability
Missing authentication for critical function in Windows Cloud Files Mini Filter Driver allows an authorized attacker to perform tampering locally.
CVE-2026-83990
High · 7.8
CWE-121 Sep 8, 2026
Microsoft Graphics Component Elevation of Privilege Vulnerability
Stack-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
CVE-2026-83989
High · 7.5
CWE-125 Sep 8, 2026
Windows Services for NFS ONCRPC XDR Driver Denial of Service Vulnerability
Out-of-bounds read in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to deny service over a network.
CVE-2026-83988
High · 7.8
CWE-122 Sep 8, 2026
Windows Biometric Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
CVE-2026-83987
High · 7.8
CWE-122 Sep 8, 2026
Windows Biometric Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
CVE-2026-83986
High · 7.8
CWE-122 Sep 8, 2026
Windows Biometric Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
CVE-2026-83985
High · 7.8
CWE-122 Sep 8, 2026
Windows Biometric Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
CVE-2026-83983
High · 7.8
CWE-122 Sep 8, 2026
Windows Biometric Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
CVE-2026-83982
High · 7.8
CWE-122 Sep 8, 2026
Windows Biometric Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.