CVE-2026-50527
.NET Framework Denial of Service Vulnerability
Description
Stack-based buffer overflow in .NET Framework allows an unauthorized attacker to deny service over a network.
INFO
Published Date :
July 14, 2026, 8:17 p.m.
Last Modified :
July 14, 2026, 8:35 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-50527
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 3.1 | HIGH | f38d906d-7342-40ea-92c1-6c4a2c6478c8 | ||||
| CVSS 3.1 | HIGH | [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-2026-50527.
| URL | Resource |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50527 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-50527 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-2026-50527
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-2026-50527 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-50527 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.
-
New CVE Received by [email protected]
Jul. 14, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Microsoft', 'product': '.NET 10.0', 'versions': [{'status': 'affected', 'version': '10.0.0', 'lessThan': '10.0.6', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': '.NET 8.0', 'versions': [{'status': 'affected', 'version': '8.0.0', 'lessThan': '8.0.29', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': '.NET 9.0', 'versions': [{'status': 'affected', 'version': '9.0.0', 'lessThan': '9.0.18', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 3.5', 'versions': [{'status': 'affected', 'version': '3.5.0', 'lessThan': '2.0.50727.8983 & 3.0.30729.8978', 'versionType': 'custom'}], 'platforms': ['Windows Server 2012', 'Windows Server 2012 (Server Core installation)', 'Windows Server 2012 R2', 'Windows Server 2012 R2 (Server Core installation)']}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 3.5 AND 4.7.2', 'versions': [{'status': 'affected', 'version': '4.7.0', 'lessThan': '2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0', 'versionType': 'custom'}], 'platforms': ['Windows 10 Version 1607 for 32-bit Systems', 'Windows 10 Version 1607 for x64-based Systems', 'Windows 10 Version 1809 for 32-bit Systems', 'Windows 10 Version 1809 for x64-based Systems', 'Windows Server 2016', 'Windows Server 2016 (Server Core installation)', 'Windows Server 2019', 'Windows Server 2019 (Server Core installation)']}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 3.5 AND 4.8', 'versions': [{'status': 'affected', 'version': '4.8.0', 'lessThan': '2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0', 'versionType': 'custom'}], 'platforms': ['Windows 10 Version 1809 for 32-bit Systems', 'Windows 10 Version 1809 for x64-based Systems', 'Windows 10 Version 21H2 for 32-bit Systems', 'Windows 10 Version 21H2 for ARM64-based Systems', 'Windows 10 Version 21H2 for x64-based Systems', 'Windows 10 Version 22H2 for 32-bit Systems', 'Windows 10 Version 22H2 for ARM64-based Systems', 'Windows 10 Version 22H2 for x64-based Systems', 'Windows Server 2019', 'Windows Server 2019 (Server Core installation)', 'Windows Server 2022', 'Windows Server 2022 (Server Core installation)']}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 3.5 AND 4.8.1', 'versions': [{'status': 'affected', 'version': '4.8.1', 'lessThan': '2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0', 'versionType': 'custom'}], 'platforms': ['Windows 10 Version 21H2 for 32-bit Systems', 'Windows 10 Version 21H2 for ARM64-based Systems', 'Windows 10 Version 21H2 for x64-based Systems', 'Windows 10 Version 22H2 for 32-bit Systems', 'Windows 10 Version 22H2 for ARM64-based Systems', 'Windows 10 Version 22H2 for x64-based Systems', 'Windows 11 Version 23H2 for ARM64-based Systems', 'Windows 11 Version 23H2 for x64-based Systems', 'Windows 11 Version 24H2 for ARM64-based Systems', 'Windows 11 Version 24H2 for x64-based Systems', 'Windows 11 Version 25H2 for ARM64-based Systems', 'Windows 11 Version 25H2 for x64-based Systems', 'Windows 11 Version 26H1 for ARM64-based Systems', 'Windows 11 version 26H1 for x64-based Systems', 'Windows Server 2022', 'Windows Server 2022 (Server Core installation)', 'Windows Server 2025', 'Windows Server 2025 (Server Core installation)']}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2', 'versions': [{'status': 'affected', 'version': '4.7.0', 'lessThan': '4.7.4143.0', 'versionType': 'custom'}], 'platforms': ['Windows Server 2012', 'Windows Server 2012 (Server Core installation)', 'Windows Server 2012 R2', 'Windows Server 2012 R2 (Server Core installation)']}, {'vendor': 'Microsoft', 'product': 'Microsoft .NET Framework 4.8', 'versions': [{'status': 'affected', 'version': '4.8.0', 'lessThan': '4.8.4803.0', 'versionType': 'custom'}], 'platforms': ['Windows 10 Version 1607 for 32-bit Systems', 'Windows 10 Version 1607 for x64-based Systems', 'Windows Server 2012', 'Windows Server 2012 (Server Core installation)', 'Windows Server 2012 R2', 'Windows Server 2012 R2 (Server Core installation)', 'Windows Server 2016', 'Windows Server 2016 (Server Core installation)']}, {'vendor': 'Microsoft', 'product': 'Microsoft Visual Studio 2022 version 17.12', 'versions': [{'status': 'affected', 'version': '17.12.0', 'lessThan': '17.12.22', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft Visual Studio 2022 version 17.14', 'versions': [{'status': 'affected', 'version': '17.14.0', 'lessThan': '17.14.36', 'versionType': 'custom'}]}, {'vendor': 'Microsoft', 'product': 'Microsoft Visual Studio 2026 version 18.7', 'versions': [{'status': 'affected', 'version': '18.0', 'lessThan': '18.7.4', 'versionType': 'custom'}]}] Added Description Stack-based buffer overflow in .NET Framework allows an unauthorized attacker to deny service over a network. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-121 Added Reference https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50527