| Windows Server | Number Of NVD | 5091 | CRITICAL | 122 | HIGH | 3461 | MEDIUM | 1438 | LOW | 70 |
| URL | https://www.microsoft.com/ | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Explanation | Server products offered by Microsoft. For business, developer, and desktop operating system products, 10 years of support at the supported Service Pack level (with a minimum of 5 years of mainstream support, followed by a minimum of 5 years of extended support). You may need to deploy the latest updates to be eligible for support. For some products, the support organization may be less than 10 years. For consumer and multimedia products, five years of mainstream support at the supported Service Pack level. The above text is excerpted from Microsoft's Fixed Lifecycle Policy. |
||||||||
| Tag | |||||||||
| No | Type | Name | URL |
|---|---|---|---|
| 1 | https://support.microsoft.com//lifecycle/search | ||
| 2 | https://www.microsoft.com/ja-jp/cloud-platform/windows-server | ||
| 3 | https://support.microsoft.com/ja-jp/hub/4095338/microsoft-lifecycle-policy | ||
| 4 | https://docs.microsoft.com/ja-jp/windows-server/get-started/windows-server-release-info |
| No | Name | Latest Version | Release date | Initial release | Normal Support | Security Support Service Pack Support |
Extended for a fee |
Critical | High | Medium | Low |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 71 | Windows Server 2022 | 21H2 | Nov. 2, 2021 | Nov. 2, 2021 | Oct. 13, 2026 | Oct. 14, 2031 | 53 | 1279 | 421 | 5 | |
| 72 | Windows Server 2019 | 1809 | Oct. 2, 2018 | Nov. 13, 2018 | Jan. 9, 2024 | Jan. 9, 2029 | 94 | 2460 | 885 | 11 | |
| 73 | Windows Server 2016 | 20H2 | Oct. 20, 2020 | Oct. 15, 2016 | Jan. 11, 2022 | Jan. 12, 2027 | 103 | 2553 | 1010 | 15 | |
| 74 | Windows Server 2012 | Oct. 30, 2012 | Oct. 30, 2012 | Oct. 9, 2018 | Oct. 10, 2023 | 94 | 2178 | 911 | 50 | ||
| 75 | Windows Server 2008 R2（ Service Pack 1適用） | Feb. 22, 2011 | Jan. 14, 2020 | 0 | 0 | 0 | 0 | ||||
| 76 | Windows Server 2008（Service Pack 2適用） | April 29, 2009 | Jan. 14, 2020 | 0 | 0 | 0 | 0 | ||||
| 77 | Microsoft Windows Server 2003（Service Pack 2適用） | May 28, 2003 | July 13, 2010 | July 14, 2015 | 0 | 128 | 53 | 15 | |||
| 78 | Microsoft Windows Storage Server 2003 | May 5, 2003 | Oct. 11, 2011 | Oct. 9, 2016 | 0 | 128 | 53 | 15 | |||
| 79 | Microsoft Windows 2000（Service Pack 4適用） | March 31, 2000 | June 30, 2005 | July 13, 2010 | 2 | 40 | 19 | 0 |
| No | CVSS3 CVSS2 |
Level Attach Vector |
Title | CWE | CVE | cpe23Uri | or higher | or less | more than | less than | Update date Published date |
Show Affected | Exploit PoC Search |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 71 |
7.0 - |
HIGH
Local |
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. |
CWE-416
Use After Free |
CVE-2026-26177 |
cpe:2.3:o:microsoft:windows_server_2019:*:* cpe:2.3:o:microsoft:windows_server_2016:*:* cpe:2.3:o:microsoft:windo… |
|
|
|
10.0.17763.8644 10.0.14393.9060 |
2026-04-24 03:44 2026-04-15 |
Show | GitHub Exploit DB Packet Storm |
| 72 |
7.8 - |
HIGH
Local |
Heap-based buffer overflow in Windows Client Side Caching driver (csc.sys) allows an authorized attacker to elevate privileges locally. |
CWE-122
Heap-based Buffer Overflow |
CVE-2026-26176 |
cpe:2.3:o:microsoft:windows_server_2019:*:* cpe:2.3:o:microsoft:windows_server_2016:*:* cpe:2.3:o:microsoft:windo… |
|
|
|
10.0.17763.8644 10.0.14393.9060 |
2026-04-24 03:57 2026-04-15 |
Show | GitHub Exploit DB Packet Storm |
| 73 |
4.6 - |
MEDIUM
Physics |
Use of uninitialized resource in Windows Boot Manager allows an unauthorized attacker to bypass a security feature with a physical attack. |
CWE-908
Use of Uninitialized Resource |
CVE-2026-26175 |
cpe:2.3:o:microsoft:windows_server_2019:*:* cpe:2.3:o:microsoft:windows_server_2016:*:* |
|
|
|
10.0.17763.8644 10.0.14393.9060 |
2026-04-24 03:58 2026-04-15 |
Show | GitHub Exploit DB Packet Storm |
| 74 |
7.0 - |
HIGH
Local |
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Update Service allows an authorized attacker to elevate privileges locally. |
CWE-362 CWE-416 Race Condition Use After Free |
CVE-2026-26174 |
cpe:2.3:o:microsoft:windows_server_2019:*:* cpe:2.3:o:microsoft:windows_server_2016:*:* cpe:2.3:o:microsoft:windo… |
|
|
|
10.0.17763.8644 10.0.14393.9060 |
2026-04-24 04:06 2026-04-15 |
Show | GitHub Exploit DB Packet Storm |
| 75 |
7.0 - |
HIGH
Local |
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locall… |
CWE-362 CWE-416 CWE-476 Race Condition Use After Free NULL Pointer Dereference |
CVE-2026-26173 |
cpe:2.3:o:microsoft:windows_server_2019:*:* cpe:2.3:o:microsoft:windows_server_2016:*:* cpe:2.3:o:microsoft:windo… |
|
|
|
10.0.17763.8644 10.0.14393.9060 |
2026-04-25 02:20 2026-04-15 |
Show | GitHub Exploit DB Packet Storm |
| 76 |
7.8 - |
HIGH
Local |
Improper input validation in Microsoft PowerShell allows an authorized attacker to elevate privileges locally. |
CWE-20
Improper Input Validation |
CVE-2026-26170 |
cpe:2.3:o:microsoft:windows_server_2019:*:* cpe:2.3:o:microsoft:windows_server_2016:*:* |
|
|
|
10.0.17763.8644 10.0.14393.9060 |
2026-04-25 02:22 2026-04-15 |
Show | GitHub Exploit DB Packet Storm |
| 77 |
6.1 - |
MEDIUM
Local |
Buffer over-read in Windows Kernel Memory allows an authorized attacker to disclose information locally. |
CWE-126
Buffer Over-read |
CVE-2026-26169 |
cpe:2.3:o:microsoft:windows_server_2019:*:* cpe:2.3:o:microsoft:windows_server_2016:*:* |
|
|
|
10.0.17763.8644 10.0.14393.9060 |
2026-04-25 02:33 2026-04-15 |
Show | GitHub Exploit DB Packet Storm |
| 78 |
7.8 - |
HIGH
Local |
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locall… |
CWE-362 CWE-416 Race Condition Use After Free |
CVE-2026-26168 |
cpe:2.3:o:microsoft:windows_server_2019:*:* cpe:2.3:o:microsoft:windows_server_2016:*:* cpe:2.3:o:microsoft:windo… |
|
|
|
10.0.17763.8644 10.0.14393.9060 |
2026-04-25 02:35 2026-04-15 |
Show | GitHub Exploit DB Packet Storm |
| 79 |
7.8 - |
HIGH
Local |
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally. |
CWE-362 CWE-416 Race Condition Use After Free |
CVE-2026-26167 |
cpe:2.3:o:microsoft:windows_server_2019:*:* cpe:2.3:o:microsoft:windows_server_2016:*:* |
|
|
|
10.0.17763.8644 10.0.14393.9060 |
2026-04-25 02:37 2026-04-15 |
Show | GitHub Exploit DB Packet Storm |
| 80 |
7.8 - |
HIGH
Local |
Double free in Windows Kernel allows an authorized attacker to elevate privileges locally. |
CWE-415
Double Free |
CVE-2026-26163 |
cpe:2.3:o:microsoft:windows_server_2019:*:* cpe:2.3:o:microsoft:windows_server_2016:*:* cpe:2.3:o:microsoft:windo… |
|
|
|
10.0.17763.8644 10.0.14393.9060 |
2026-04-25 04:30 2026-04-15 |
Show | GitHub Exploit DB Packet Storm |