CVE-2026-50684
Active Directory Federation Server Spoofing Vulnerability
Description
Improper neutralization of input during web page generation ('cross-site scripting') in Active Directory Federation Services (AD FS) allows an authorized attacker to perform spoofing over a network.
INFO
Published Date :
July 14, 2026, 6:18 p.m.
Last Modified :
July 21, 2026, 7:55 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-50684
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | f38d906d-7342-40ea-92c1-6c4a2c6478c8 | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-50684.
| URL | Resource |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50684 | Patch Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-50684 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-50684
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-50684 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-50684 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 21, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.14393.9339 *cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.14393.9339 *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* versions up to (excluding) 10.0.17763.9020 *cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* versions up to (excluding) 10.0.17763.9020 *cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.14393.9339 *cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.17763.9020 *cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.20348.5386 *cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.26100.33158 Added Reference Type Microsoft Corporation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50684 Types: Patch, Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 14, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-50684', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-14T19:12:10.573430Z'} -
New CVE Received by [email protected]
Jul. 14, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Microsoft', 'product': 'Windows 10 Version 1607', 'versions': [{'status': 'affected', 'version': '10.0.14393.0', 'lessThan': '10.0.14393.9339', 'versionType': 'custom'}], 'platforms': ['32-bit Systems', 'x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Windows 10 Version 1809', 'versions': [{'status': 'affected', 'version': '10.0.17763.0', 'lessThan': '10.0.17763.9020', 'versionType': 'custom'}], 'platforms': ['32-bit Systems', 'x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Windows Server 2012', 'versions': [{'status': 'affected', 'version': '6.2.9200.0', 'lessThan': '6.2.9200.26226', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Windows Server 2012 (Server Core installation)', 'versions': [{'status': 'affected', 'version': '6.2.9200.0', 'lessThan': '6.2.9200.26226', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Windows Server 2012 R2', 'versions': [{'status': 'affected', 'version': '6.3.9600.0', 'lessThan': '6.3.9600.23291', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Windows Server 2012 R2 (Server Core installation)', 'versions': [{'status': 'affected', 'version': '6.3.9600.0', 'lessThan': '6.3.9600.23291', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Windows Server 2016', 'versions': [{'status': 'affected', 'version': '10.0.14393.0', 'lessThan': '10.0.14393.9339', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Windows Server 2016 (Server Core installation)', 'versions': [{'status': 'affected', 'version': '10.0.14393.0', 'lessThan': '10.0.14393.9339', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Windows Server 2019', 'versions': [{'status': 'affected', 'version': '10.0.17763.0', 'lessThan': '10.0.17763.9020', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Windows Server 2019 (Server Core installation)', 'versions': [{'status': 'affected', 'version': '10.0.17763.0', 'lessThan': '10.0.17763.9020', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Windows Server 2022', 'versions': [{'status': 'affected', 'version': '10.0.20348.0', 'lessThan': '10.0.20348.5386', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Windows Server 2025', 'versions': [{'status': 'affected', 'version': '10.0.26100.0', 'lessThan': '10.0.26100.33158', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}, {'vendor': 'Microsoft', 'product': 'Windows Server 2025 (Server Core installation)', 'versions': [{'status': 'affected', 'version': '10.0.26100.0', 'lessThan': '10.0.26100.33158', 'versionType': 'custom'}], 'platforms': ['x64-based Systems']}] Added Description Improper neutralization of input during web page generation ('cross-site scripting') in Active Directory Federation Services (AD FS) allows an authorized attacker to perform spoofing over a network. Added CVSS V3.1 AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Added CWE CWE-79 Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50684