Microsoft
Microsoft Windows Server 2012: vulnerabilities and CVEs
Microsoft Windows Server 2012 has 4,644 published vulnerabilities, 1,078 of them in the last 12 months. 163 are rated critical and 158 are listed by CISA as actively exploited.
CVEs4,644
Last 12 months1,078
Critical163
Actively exploited158
All vulnerabilities in the catalogue →⭐ Follow this technology
🔴 Actively exploited (CISA KEV)
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2026-85880 | High (7.8) | 3.6% | ⚠ Active exploitation | Sep 8, 2026 | Heap-based buffer overflow in Windows ALPC allows an authorized attacker to elevate privileges locally. |
| CVE-2026-68820 | High (7) | 0.33% | ⚠ Active exploitation | Aug 11, 2026 | Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. |
| CVE-2026-56155 | High (7.8) | 0.35% | ⚠ Active exploitation | Jul 14, 2026 | Insufficient granularity of access control in Active Directory Federation Services (AD FS) allows an authorized attacker to elevate privileges locally. |
| CVE-2026-32202 | Medium (4.3) | 4.9% | ⚠ Active exploitation | Apr 14, 2026 | Protection mechanism failure in Windows Shell allows an unauthorized attacker to perform spoofing over a network. |
| CVE-2023-36424 | High (7.8) | 12% | ⚠ Active exploitation | Nov 14, 2023 | Windows Common Log File System Driver Elevation of Privilege Vulnerability |
| CVE-2026-21510 | High (8.8) | 24% | ⚠ Active exploitation | Feb 10, 2026 | Protection mechanism failure in Windows Shell allows an unauthorized attacker to bypass a security feature over a network. |
| CVE-2026-21513 | High (8.8) | 16% | ⚠ Active exploitation | Feb 10, 2026 | Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security feature over a network. |
| CVE-2026-21525 | Medium (6.2) | 4.8% | ⚠ Active exploitation | Feb 10, 2026 | Null pointer dereference in Windows Remote Access Connection Manager allows an unauthorized attacker to deny service locally. |
| CVE-2026-21533 | High (7.8) | 4.1% | ⚠ Active exploitation | Feb 10, 2026 | Improper privilege management in Windows Remote Desktop allows an authorized attacker to elevate privileges locally. |
| CVE-2026-20805 | Medium (5.5) | 7.2% | ⚠ Active exploitation | Jan 13, 2026 | Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally. |
| CVE-2025-59287 | Critical (9.8) | 100% | ⚠ Active exploitation | Oct 14, 2025 | Deserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to execute code over a network. |
| CVE-2025-33073 | High (8.8) | 83% | ⚠ Active exploitation | Jun 10, 2025 | Improper access control in Windows SMB allows an authorized attacker to elevate privileges over a network. |
| CVE-2025-59230 | High (7.8) | 2.7% | ⚠ Active exploitation | Oct 14, 2025 | Improper access control in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally. |
| CVE-2025-47827 | Medium (4.6) | 4.9% | ⚠ Active exploitation | Jun 5, 2025 | In IGEL OS before 11, Secure Boot can be bypassed because the igel-flash-driver module improperly verifies a cryptographic signature. Ultimately, a crafted root filesystem can be mounted from an unverified SquashFS… |
| CVE-2025-24990 | High (7.8) | 6.4% | ⚠ Active exploitation | Oct 14, 2025 | Microsoft is aware of vulnerabilities in the third party Agere Modem driver that ships natively with supported Windows operating systems. This is an announcement of the upcoming removal of ltmdm64.sys driver. The driver… |
| CVE-2013-3918 | High (8.8) | 74% | ⚠ Active exploitation | Nov 12, 2013 | The InformationCardSigninHelper Class ActiveX control in icardie.dll in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows… |
| CVE-2021-43226 | High (7.8) | 3.1% | ⚠ Active exploitation | Dec 15, 2021 | Windows Common Log File System Driver Elevation of Privilege Vulnerability |
| CVE-2025-33053 | High (8.8) | 87% | ⚠ Active exploitation | Jun 10, 2025 | External control of file name or path in Internet Shortcut Files allows an unauthorized attacker to execute code over a network. |
| CVE-2025-32709 | High (7.8) | 2.1% | ⚠ Active exploitation | May 13, 2025 | Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. |
| CVE-2025-32706 | High (7.8) | 2.3% | ⚠ Active exploitation | May 13, 2025 | Improper input validation in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally. |
Latest vulnerabilities
| CVE | Severity | EPSS | Active exploitation | Published | Description |
|---|---|---|---|---|---|
| CVE-2026-85880 | High (7.8) | 3.6% | ⚠ Active exploitation | Sep 8, 2026 | Heap-based buffer overflow in Windows ALPC allows an authorized attacker to elevate privileges locally. |
| CVE-2026-85360 | High (7) | 0.26% | — | Sep 8, 2026 | Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally. |
| CVE-2026-84001 | High (7.5) | 1.2% | — | Sep 8, 2026 | 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) | 0.33% | — | Sep 8, 2026 | Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to execute code locally. |
| CVE-2026-83996 | High (8.8) | 0.33% | — | Sep 8, 2026 | Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally. |
| CVE-2026-83995 | High (7.8) | 0.33% | — | Sep 8, 2026 | Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally. |
| CVE-2026-83992 | High (8.8) | 0.82% | — | Sep 8, 2026 | Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code over a network. |
| CVE-2026-83989 | High (7.5) | 1.2% | — | Sep 8, 2026 | Out-of-bounds read in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to deny service over a network. |
| CVE-2026-81355 | High (7.8) | 0.20% | — | Sep 8, 2026 | Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to execute code locally. |
| CVE-2026-80096 | High (8.8) | 0.91% | — | Sep 8, 2026 | Out-of-bounds read in Windows Remote Desktop Services allows an authorized attacker to elevate privileges over a network. |
| CVE-2026-78523 | High (7.5) | 0.98% | — | Sep 8, 2026 | Use after free in Windows DNS allows an unauthorized attacker to deny service over a network. |
| CVE-2026-78516 | Medium (4.3) | 0.52% | — | Sep 8, 2026 | Insertion of sensitive information into externally-accessible file or directory in Windows Storage allows an authorized attacker to disclose information locally. |
| CVE-2026-78508 | Medium (4.6) | 0.47% | — | Sep 8, 2026 | Out-of-bounds read in Windows CD-ROM Driver allows an unauthorized attacker to disclose information with a physical attack. |
| CVE-2026-78453 | Medium (6.5) | 0.92% | — | Sep 8, 2026 | Integer underflow (wrap or wraparound) in Microsoft Windows SCSI Class System File allows an unauthorized attacker to disclose information over a network. |
| CVE-2026-78449 | High (8.1) | 0.71% | — | Sep 8, 2026 | Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network. |
| CVE-2026-78446 | Medium (5.3) | 0.83% | — | Sep 8, 2026 | Use after free in Windows Distributed File System (DFS) allows an authorized attacker to deny service over a network. |
| CVE-2026-78445 | Critical (9.8) | 0.97% | — | Sep 8, 2026 | Use after free in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to execute code over a network. |
| CVE-2026-77905 | High (7) | 0.26% | — | Sep 8, 2026 | Use after free in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally. |
| CVE-2026-77904 | High (7.8) | 0.33% | — | Sep 8, 2026 | Heap-based buffer overflow in Windows Volume Manager Extension Driver allows an authorized attacker to elevate privileges locally. |
| CVE-2026-77899 | High (7) | 0.26% | — | Sep 8, 2026 | Use after free in Windows Security Center allows an authorized attacker to elevate privileges locally. |
| CVE-2026-77895 | High (7.5) | 1.2% | — | Sep 8, 2026 | Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network. |
| CVE-2026-77894 | High (7) | 0.20% | — | Sep 8, 2026 | Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Installer allows an authorized attacker to elevate privileges locally. |
| CVE-2026-77893 | High (7.5) | 1.2% | — | Sep 8, 2026 | Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network. |
| CVE-2026-77892 | Medium (6.8) | 0.44% | — | Sep 8, 2026 | No cwe for this issue in Windows Boot Manager allows an unauthorized attacker to elevate privileges with a physical attack. |
| CVE-2026-77891 | Medium (6.4) | 0.28% | — | Sep 8, 2026 | Out-of-bounds read in Windows DHCP Server allows an authorized attacker to execute code locally. |
| CVE-2026-77890 | High (7.5) | 1.2% | — | Sep 8, 2026 | Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network. |
| CVE-2026-77889 | High (7.5) | 1.2% | — | Sep 8, 2026 | Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network. |
| CVE-2026-77888 | High (7.5) | 1.2% | — | Sep 8, 2026 | Access of resource using incompatible type ('type confusion') in Windows DHCP Server allows an unauthorized attacker to deny service over a network. |
| CVE-2026-77887 | Medium (6.4) | 0.28% | — | Sep 8, 2026 | Out-of-bounds read in Windows DHCP Server allows an authorized attacker to execute code locally. |
| CVE-2026-77886 | High (7.5) | 1.2% | — | Sep 8, 2026 | Out-of-bounds read in Windows DHCP Server allows an unauthorized attacker to deny service over a network. |
🎯 How it gets exploited (ATT&CK techniques)
Number of CVEs of this technology mapped to each exploitation or primary-impact technique.