Microsoft Windows Server 2012 R2
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By the Year
In 2026 there have been 1601 vulnerabilities in Microsoft Windows Server 2012 R2 with an average score of 7.3 out of ten. Last year, in 2025 Windows Server 2012 R2 had 474 security vulnerabilities published. That is, 1127 more vulnerabilities have already been reported in 2026 as compared to last year. However, the average CVE base score of the vulnerabilities in 2026 is greater by 0.01.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 1601 | 7.31 |
| 2025 | 474 | 7.31 |
| 2024 | 223 | 7.62 |
| 2023 | 96 | 7.60 |
| 2022 | 46 | 7.60 |
| 2021 | 192 | 7.48 |
| 2020 | 110 | 7.11 |
| 2019 | 45 | 7.07 |
| 2018 | 95 | 7.85 |
It may take a day or so for new Windows Server 2012 R2 vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Microsoft Windows Server 2012 R2 Security Vulnerabilities
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97844
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97843
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97842
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97841
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97840
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97839
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97838
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97837
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97836
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97835
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97834
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97833
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97832
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97831
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97829
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97828
6.5 - Medium
- October 13, 2026
Buffer over-read in DNS Server allows an authorized attacker to disclose information over a network.
Buffer Over-read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97827
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97826
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97824
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97823
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97822
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97821
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97820
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97819
6.5 - Medium
- October 13, 2026
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2026: Role: DNS Server Information Disclosure Vulnerability
CVE-2026-97817
6.5 - Medium
- October 13, 2026
Heap-based buffer overflow in DNS Server allows an authorized attacker to disclose information over a network.
Heap-based Buffer Overflow
Oct 2026: Windows Error Reporting Remote Code Execution Vulnerability
CVE-2026-97815
9.8 - Critical
- October 13, 2026
Heap-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network.
Heap-based Buffer Overflow
Oct 2026: Windows Text Shaping Remote Code Execution Vulnerability
CVE-2026-97814
9.8 - Critical
- October 13, 2026
Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code over a network.
Heap-based Buffer Overflow
Oct 2026: Windows Partition Management Driver Remote Code Execution Vulnerability
CVE-2026-97805
9.8 - Critical
- October 13, 2026
Out-of-bounds read in Windows Partition Management Driver allows an unauthorized attacker to execute code over a network.
Out-of-bounds Read
Oct 2026: Windows Domain Name Service Remote Code Execution Vulnerability
CVE-2026-96113
9.8 - Critical
- October 13, 2026
Heap-based buffer overflow in DNS Server allows an unauthorized attacker to execute code over a network.
Heap-based Buffer Overflow
Oct 2026: Windows Key Storage Provider Information Disclosure Vulnerability
CVE-2026-69506
4.7 - Medium
- October 13, 2026
Out-of-bounds read in Windows Key Storage Provider allows an authorized attacker to disclose information locally.
Out-of-bounds Read
Oct 2026: RPC Runtime Library Remote Code Execution Vulnerability
CVE-2026-88219
8.8 - High
- October 13, 2026
Untrusted pointer dereference in RPC Runtime allows an unauthorized attacker to execute code over a network.
Untrusted Pointer Dereference
Oct 2026: Windows Storage Port Driver Information Disclosure Vulnerability
CVE-2026-88226
4.6 - Medium
- October 13, 2026
Out-of-bounds read in Windows Storage Port Driver allows an unauthorized attacker to disclose information with a physical attack.
Out-of-bounds Read
Oct 2026: Windows Network File System Elevation of Privilege Vulnerability
CVE-2026-96209
7 - High
- October 13, 2026
Out-of-bounds read in Windows Network File System allows an authorized attacker to elevate privileges locally.
Out-of-bounds Read
Oct 2026: Active Directory Federation Services (AD FS) Information Disclosure Vulnerability
CVE-2026-97788
7.5 - High
- October 13, 2026
Observable discrepancy in Active Directory Federation Services (AD FS) allows an unauthorized attacker to disclose information over a network.
Side Channel Attack
Oct 2026: Windows Media Remote Code Execution Vulnerability
CVE-2026-96071
7.5 - High
- October 13, 2026
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
Heap-based Buffer Overflow
Oct 2026: Windows Graphics Kernel Elevation of Privilege Vulnerability
CVE-2026-96118
7.8 - High
- October 13, 2026
Out-of-bounds read in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.
Out-of-bounds Read
Oct 2026: Windows Universal Disk Format File System Driver (UDFS) Remote Code Execution Vulnerabilit
CVE-2026-96953
7.8 - High
- October 13, 2026
Null pointer dereference in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to execute code locally.
NULL Pointer Dereference
Oct 2026: Windows Shell Security Feature Bypass Vulnerability
CVE-2026-96951
8.8 - High
- October 13, 2026
Improper neutralization of special elements used in a command ('command injection') in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.
Command Injection
Oct 2026: Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerabili
CVE-2026-96950
7.8 - High
- October 13, 2026
Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
Dangling pointer
Oct 2026: Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerabili
CVE-2026-96949
7 - High
- October 13, 2026
Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
Race Condition
Oct 2026: Windows Client Side Caching driver (csc.sys) Information Disclosure Vulnerability
CVE-2026-96948
5.5 - Medium
- October 13, 2026
Exposure of sensitive information to an unauthorized actor in Windows Client Side Caching driver (csc.sys) allows an authorized attacker to disclose information locally.
Exposure of Sensitive System Information to an Unauthorized Control Sphere
Oct 2026: Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerabili
CVE-2026-96947
7.8 - High
- October 13, 2026
Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
Dangling pointer
Oct 2026: Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerabili
CVE-2026-96946
7.8 - High
- October 13, 2026
Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
Dangling pointer
Oct 2026: Windows Distributed File System (DFS) Elevation of Privilege Vulnerability
CVE-2026-96938
6.7 - Medium
- October 13, 2026
Heap-based buffer overflow in Windows Distributed File System (DFS) allows an authorized attacker to elevate privileges locally.
Heap-based Buffer Overflow
Oct 2026: Windows Network File System Information Disclosure Vulnerability
CVE-2026-69675
5.5 - Medium
- October 13, 2026
Out-of-bounds read in Windows Network File System allows an authorized attacker to disclose information locally.
Out-of-bounds Read
Oct 2026: Role: DNS Server Tampering Vulnerability
CVE-2026-96926
5.5 - Medium
- October 13, 2026
Missing authorization in DNS Server allows an authorized attacker to perform tampering locally.
AuthZ
Oct 2026: Windows COM+ Event System Service Elevation of Privilege Vulnerability
CVE-2026-96933
7.8 - High
- October 13, 2026
Untrusted pointer dereference in Windows COM+ Event System Service allows an authorized attacker to elevate privileges locally.
Untrusted Pointer Dereference
Oct 2026: Windows Universal Disk Format File System Driver (UDFS) Information Disclosure Vulnerabili
CVE-2026-96930
5.5 - Medium
- October 13, 2026
Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to disclose information locally.
Out-of-bounds Read
Oct 2026: Windows NTFS Elevation of Privilege Vulnerability
CVE-2026-96931
7.8 - High
- October 13, 2026
Untrusted pointer dereference in Windows NTFS allows an authorized attacker to elevate privileges locally.
Untrusted Pointer Dereference
Oct 2026: Windows Kernel Elevation of Privilege Vulnerability
CVE-2026-96929
7.8 - High
- October 13, 2026
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Heap-based Buffer Overflow
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