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 2218Windows 10 Version 1607 2181Windows 11 25h2 2170Windows 10 1809 2066Windows 10 21h2 1982Windows 10 22h2 1968Windows 11 26h1 1882Windows Server 2012 1860Windows Server 2012 R2 1817Windows Server 2012 R2 (Server Core installation) 1808Windows 10 1607 1761Windows 11 23h2 1754Windows Server 2012 (Server Core installation) 1703Windows 11 Version 26H2 1007Microsoft 365 Apps for Enterprise 579365 Apps 575Microsoft Office LTSC 2024 559Microsoft Office LTSC 2021 556Windows Server 2022 23h2 544Windows Server 2022, 23H2 Edition (Server Core installation) 543Office 2021 465Office 2024 465Microsoft Office LTSC for Mac 2021 453Microsoft Office LTSC for Mac 2024 452Microsoft Office 2019 386Microsoft Office 365 for Mac 375
CVE-2026-83644
High · 7.0
CWE-416 Oct 13, 2026
Windows Audio Service Elevation of Privilege Vulnerability
Use after free in Windows Audio Service allows an authorized attacker to elevate privileges locally.
CVE-2026-83643
High · 8.8
CWE-121 Oct 13, 2026
Windows Error Reporting Remote Code Execution Vulnerability
Stack-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network.
CVE-2026-83642
High · 8.8
CWE-843 Oct 13, 2026
Windows Domain Name Service Remote Code Execution Vulnerability
Access of resource using incompatible type ('type confusion') in DNS Server allows an unauthorized attacker to execute code over a network.
CVE-2026-83641
High · 7.8
CWE-122 Oct 13, 2026
Windows Media Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Media allows an authorized attacker to elevate privileges locally.
CVE-2026-83640
High · 7.8
CWE-122 Oct 13, 2026
Windows NTFS Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to execute code locally.
CVE-2026-83639
High · 7.8
CWE-122 Oct 13, 2026
Windows Sensor Data Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Sensor Data Service allows an authorized attacker to elevate privileges locally.
CVE-2026-83638
High · 7.8
CWE-122 Oct 13, 2026
Windows USB Driver Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows USB Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-83637
High · 7.8
CWE-125 Oct 13, 2026
Windows Kernel-Mode Drivers Elevation of Privilege Vulnerability
Out-of-bounds read in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.
CVE-2026-83636
Medium · 6.5
CWE-476 Oct 13, 2026
Windows Hyper-V Denial of Service Vulnerability
Null pointer dereference in Windows Hyper-V allows an authorized attacker to deny service locally.
CVE-2026-83635
High · 7.5
CWE-125 Oct 13, 2026
Role: DNS Server Denial of Service Vulnerability
Out-of-bounds read in DNS Server allows an unauthorized attacker to deny service over a network.
CVE-2026-83634
High · 7.8
CWE-415 Oct 13, 2026
Windows BitLocker Elevation of Privilege Vulnerability
Double free in Windows BitLocker allows an authorized attacker to elevate privileges locally.
CVE-2026-83588
High · 7.8
CWE-122 Oct 13, 2026
Windows USB Driver Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows USB Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-83587
High · 7.8
CWE-822 Oct 13, 2026
Windows Core Messaging Elevation of Privilege Vulnerability
Untrusted pointer dereference in Windows Core Messaging allows an authorized attacker to elevate privileges locally.
CVE-2026-83586
High · 7.8
CWE-1390 Oct 13, 2026
Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
Weak authentication in Windows Resilient File System (ReFS) Deduplication Service allows an authorized attacker to elevate privileges locally.
CVE-2026-83585
High · 7.8
CWE-134 Oct 13, 2026
Windows NTFS Elevation of Privilege Vulnerability
Use of externally-controlled format string in Windows NTFS allows an authorized attacker to elevate privileges locally.
CVE-2026-83584
High · 7.0
CWE-416 Oct 13, 2026
Windows Smart Card Elevation of Privilege Vulnerability
Use after free in Windows Smart Card allows an authorized attacker to elevate privileges locally.
CVE-2026-83583
High · 7.8
CWE-862 Oct 13, 2026
Windows Geotag Broker Elevation of Privilege Vulnerability
Improper access control in Windows Geotag Broker allows an authorized attacker to elevate privileges locally.
CVE-2026-83582
Medium · 4.7
CWE-416 Oct 13, 2026
Windows Graphics Kernel Information Disclosure Vulnerability
Use after free in Windows Graphics Kernel allows an authorized attacker to disclose information locally.
CVE-2026-83580
High · 7.0
CWE-122 Oct 13, 2026
Windows Client-Side Caching (CSC) Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Client-Side Caching (CSC) Service allows an authorized attacker to elevate privileges locally.
CVE-2026-83579
High · 7.8
CWE-122 Oct 13, 2026
Windows Smart Card Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Smart Card allows an authorized attacker to elevate privileges locally.
CVE-2026-83578
Critical · 9.8
CWE-122 Oct 13, 2026
Microsoft PowerShell Remote Code Execution Vulnerability
Integer underflow (wrap or wraparound) in Windows PowerShell allows an unauthorized attacker to execute code over a network.
CVE-2026-83575
High · 7.0
CWE-416 Oct 13, 2026
Windows Search Service Elevation of Privilege Vulnerability
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
CVE-2026-83574
High · 7.0
CWE-416 Oct 13, 2026
Windows Search Service Elevation of Privilege Vulnerability
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
CVE-2026-83573
Medium · 6.8
CWE-190 Oct 13, 2026
Windows Kernel-Mode Driver Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows Kernel Mode Driver allows an unauthorized attacker to elevate privileges with a physical attack.
CVE-2026-83571
Medium · 5.5
CWE-476 Oct 13, 2026
Windows Audio Service Information Disclosure Vulnerability
Null pointer dereference in Windows Audio Service allows an authorized attacker to disclose information locally.