.NET Framework
CVE-2021-24111 — .NET Framework Denial of Service Vulnerability
Executive Summary
None
Overview
7.5
CVSS HIGH
Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
CVSS Vector
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
Temporal Score: 6.5
EPSS Score
0.0384
probability of exploitation in the next 30 days
0.88747 percentile - updated 2026-06-20
View on FIRST.org
Affected Products
54 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft .NET Framework 4.6 on Windows Server 2008 for 32-bit Systems Service Pack 2 | 4603005 (Monthly Rollup) 4602961 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.6 on Windows Server 2008 for x64-based Systems Service Pack 2 | 4603005 (Monthly Rollup) 4602961 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems | 4601318 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems | 4601318 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 | 4601318 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation) | 4601318 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for 32-bit Systems Service Pack 1 | 4603002 (Monthly Rollup) 4602958 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for x64-based Systems Service Pack 1 | 4603002 (Monthly Rollup) 4602958 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for 32-bit systems | 4603004 (Monthly Rollup) 4602960 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for x64-based systems | 4603004 (Monthly Rollup) 4602960 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows RT 8.1 | 4603004 (Monthly Rollup) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | 4603002 (Monthly Rollup) 4602958 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | 4603002 (Monthly Rollup) 4602958 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 | 4603003 (Monthly Rollup) 4602959 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation) | 4603003 (Monthly Rollup) 4602959 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 | 4603004 (Monthly Rollup) 4602960 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation) | 4603004 (Monthly Rollup) 4602960 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.7.2 on Windows 10 Version 1803 for 32-bit Systems | 4601354 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 4.7.2 on Windows 10 Version 1803 for ARM64-based Systems | 4601354 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 4.7.2 on Windows 10 Version 1803 for x64-based Systems | 4601354 (Security Update) |
Important | Denial of Service | Yes |
| Microsoft .NET Framework 4.7.2 on Windows Server 2019 | 4601887 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.7.2 on Windows Server 2019 (Server Core installation) | 4601887 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems | 4601051 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems | 4601051 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems | 4601054 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems | 4601054 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 1809 for 32-bit Systems | 4601887 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 1809 for x64-based Systems | 4601887 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 1909 for 32-bit Systems | 4601056 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 1909 for ARM64-based Systems | 4601056 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 1909 for x64-based Systems | 4601056 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 2004 for 32-bit Systems | 4601050 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 2004 for ARM64-based Systems | 4601050 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 2004 for x64-based Systems | 4601050 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 20H2 for 32-bit Systems | 4601050 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 10 Version 20H2 for ARM64-based Systems | 4601050 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1 | 4603002 (Monthly Rollup) 4602958 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1 | 4603002 (Monthly Rollup) 4602958 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems | 4603004 (Monthly Rollup) 4602960 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems | 4603004 (Monthly Rollup) 4602960 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows RT 8.1 | 4603004 (Monthly Rollup) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | 4603002 (Monthly Rollup) 4602958 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | 4603002 (Monthly Rollup) 4602958 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server 2012 | 4603003 (Monthly Rollup) 4602959 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation) | 4603003 (Monthly Rollup) 4602959 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server 2012 R2 | 4603004 (Monthly Rollup) 4602960 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation) | 4603004 (Monthly Rollup) 4602960 (Security Only) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server 2016 | 4601051 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation) | 4601051 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server 2019 | 4601887 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server 2019 (Server Core installation) | 4601887 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server, version 1909 (Server Core installation) | 4601056 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server, version 2004 (Server Core installation) | 4601050 (Security Update) |
Important | Denial of Service | Maybe |
| Microsoft .NET Framework 4.8 on Windows Server, version 20H2 (Server Core Installation) | 4601050 (Security Update) |
Important | Denial of Service | Maybe |
Patches
12 patches
| Article | Type | Restart |
|---|---|---|
4603005 (Monthly Rollup) 4602961 |
Monthly Rollup | Maybe |
4601318 |
Security Update | Yes |
4603002 (Monthly Rollup) 4602958 |
Monthly Rollup | Maybe |
4603004 (Monthly Rollup) 4602960 |
Monthly Rollup | Maybe |
4603004 |
Monthly Rollup | Maybe |
4603003 (Monthly Rollup) 4602959 |
Monthly Rollup | Maybe |
4601354 |
Security Update | Yes |
4601887 |
Security Update | Maybe |
4601051 |
Security Update | Maybe |
4601054 |
Security Update | Maybe |
4601056 |
Security Update | Maybe |
4601050 |
Security Update | Maybe |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
Microsoft has not published researcher acknowledgments for this CVE, or they are not yet reflected in our data source. Check the MSRC advisory directly for the most current credit information.
References
On This Page