AC
Product
Asp.net Core
by Microsoft · last CVE Oct 13, 2026
On CISA KEVExploited in the wild
41
CVEs
2
On KEV
9.9
Max CVSS
1
New 30D
Severity mix
Critical 3High 31Medium 7Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2023-44487
In wildKEV
7.5
100%
Oct 10
HTTP/2 Rapid Reset Attack Vulnerability
Affected: 6.0.0 before 6.0.23; 7.0.0 before 7.0.12
CVE-2023-38180
In wildKEV
7.5
14%
Aug 8
.NET and Visual Studio Denial of Service Vulnerability
Affected: 2.1 before 2.1.40
CVE-2025-55315
9.9
67%
Oct 14
Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an authorized attacker to bypass a security feature over a network
Affected: 2.3.0 before 2.3.6; 8.0.0 before 8.0.21; 9.0.0 before 9.0.10
CVE-2026-88092
9.4
1%
Oct 13
ASP.NET Core Tampering Vulnerability
Affected: 8.0.0 before 8.0.32; 9.0.0 before 9.0.21; 10.0.0 before 10.0.13; after 11.0.0 and later; 11.0
CVE-2026-40372
9.1
11%
Apr 21
ASP.NET Core Elevation of Privilege Vulnerability
Affected: 10.0.0 before 10.0.7
CVE-2021-43877
8.8
1%
Dec 15
ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability
Affected: 3.1; 5.0; 6.0
CVE-2020-0603
8.8
21%
Jan 14
A remote code execution vulnerability exists in ASP.NET Core software when the software fails to handle objects in memory.An attacker who successfully exploited the vulnerability…
Affected: 2.1; 3.0; 3.1
CVE-2019-1302
8.8
5%
Sep 11
An elevation of privilege vulnerability exists when a ASP.NET Core web application, created using vulnerable project templates, fails to properly sanitize web requests, aka…
Affected: 2.1; 2.2; 3.0
CVE-2018-0787
8.8
10%
Mar 14
ASP.NET Core 1.0. 1.1, and 2.0 allow an elevation of privilege vulnerability due to how web applications that are created from templates validate web requests, aka "ASP.NET Core…
Affected: 1.0; 1.1; 2.0
CVE-2018-0784
8.8
6%
Jan 10
ASP.NET Core 1.0. 1.1, and 2.0 allow an elevation of privilege vulnerability due to the ASP.NET Core project templates, aka "ASP.NET Core Elevation Of Privilege Vulnerability".…
Affected: 2.0
CVE-2017-11879
8.8
9%
Nov 15
ASP.NET Core 2.0 allows an attacker to steal log-in session information such as cookies or authentication tokens via a specially crafted URL aka "ASP.NET Core Elevation Of…
Affected: 2.0
CVE-2026-45591
7.5
2%
Jun 9
ASP.NET Core Denial of Service Vulnerability
Affected: 8.0.0 before 8.0.28; 9.0.0 before 9.0.17; 10.0.0 before 10.0.9
CVE-2026-26130
7.5
3%
Mar 10
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network
Affected: 8.0.0 before 8.0.25; 9.0.0 before 9.0.14; 10.0.0 before 10.0.4
CVE-2025-26682
7.5
2%
Apr 8
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network
Affected: 8.0.0 before 8.0.15; 9.0.0 before 9.0.4
CVE-2024-21404
7.5
3%
Feb 13
.NET Denial of Service Vulnerability
Affected: 6.0.0 before 6.0.27; 7.0.0 before 7.0.16; 8.0.0 before 8.0.2
CVE-2024-21386
7.5
2%
Feb 13
.NET Denial of Service Vulnerability
Affected: 6.0.0 before 6.0.27; 7.0.0 before 7.0.16; 8.0.0 before 8.0.2
CVE-2023-36038
7.5
3%
Nov 14
ASP.NET Core Denial of Service Vulnerability
Affected: 8.0.0
CVE-2023-35391
7.5
2%
Aug 8
ASP.NET Core SignalR and Visual Studio Information Disclosure Vulnerability
Affected: 2.1 before 2.1.40
CVE-2021-1723
7.5
5%
Jan 12
ASP.NET Core and Visual Studio Denial of Service Vulnerability
Affected: 3.1 through 3.1.10; 5.0 through 5.0.1
CVE-2020-1045
7.5
6%
Sep 11
<p>A security feature bypass vulnerability exists in the way Microsoft ASP.NET Core parses encoded cookie names.</p> <p>The ASP.NET Core cookie parser decodes entire cookie…
Affected: 2.1 through 2.1.21; 3.1 before 3.1.8
CVE-2020-1597
7.5
7%
Aug 17
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests
Affected: 2.1; 3.1
CVE-2020-1161
7.5
5%
May 21
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests
Affected: 3.1
CVE-2020-0602
7.5
8%
Jan 14
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'
Affected: 2.1; 3.0; 3.1
CVE-2019-0982
7.5
7%
May 16
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'
Affected: 2.1; 2.2
CVE-2019-0815
7.5
7%
Apr 9
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'
Affected: 2.2
CVE-2019-0564
7.5
8%
Jan 8
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka "ASP.NET Core Denial of Service Vulnerability." This affects ASP.NET Core 2.1
Affected: 2.1
CVE-2019-0548
7.5
8%
Jan 8
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka "ASP.NET Core Denial of Service Vulnerability." This affects ASP.NET Core 2.2,…
Affected: 2.1; 2.2
CVE-2018-8292
7.5
15%
Oct 10
An information disclosure vulnerability exists in .NET Core when authentication information is inadvertently exposed in a redirect, aka ".NET Core Information Disclosure…
Affected: 1.0; 1.1; 2.1
CVE-2018-8409
7.5
7%
Sep 13
A denial of service vulnerability exists when System.IO.Pipelines improperly handles requests, aka "System.IO.Pipelines Denial of Service." This affects .NET Core 2.1,…
Affected: 2.1 before 2.1.4
CVE-2018-8171
7.5
11%
Jul 11
A Security Feature Bypass vulnerability exists in ASP.NET when the number of incorrect login attempts is not validated, aka "ASP.NET Security Feature Bypass Vulnerability." This…
Affected: 1.0; 1.1; 2.0
CVE-2018-0875
7.5
9%
Mar 14
.NET Core 1.0, .NET Core 1.1, NET Core 2.0 and PowerShell Core 6.0.0 allow a denial of Service vulnerability due to how specially crafted requests are handled, aka ".NET Core…
Affected: 1.0; 1.1; 2.0
CVE-2018-0808
7.5
8%
Mar 14
ASP.NET Core 1.0. 1.1, and 2.0 allow an elevation of privilege vulnerability due to how ASP.NET web applications handle web requests, aka "ASP.NET Core Elevation Of Privilege…
Affected: 1.0; 1.1; 2.0
CVE-2017-8700
7.5
10%
Nov 15
ASP.NET Core 1.0, 1.1, and 2.0 allow an attacker to bypass Cross-origin Resource Sharing (CORS) configurations and retrieve normally restricted content from a web application, aka…
Affected: 1.0; 1.1; 2.0
CVE-2025-24070
7.0
1%
Mar 11
Weak authentication in ASP.NET Core &amp; Visual Studio allows an unauthorized attacker to elevate privileges over a network
Affected: 8.0.0 before 8.0.14; 9.0.0 before 9.0.3
CVE-2018-8416
6.5
7%
Nov 14
A tampering vulnerability exists when .NET Core improperly handles specially crafted files, aka ".NET Core Tampering Vulnerability." This affects .NET Core 2.1
Affected: 2.1
CVE-2018-0785
6.5
3%
Jan 10
ASP.NET Core 1.0. 1.1, and 2.0 allow a cross site request forgery vulnerability due to the ASP.NET Core project templates, aka "ASP.NET Core Cross Site Request Forgery…
Affected: 2.0
CVE-2019-1075
6.1
3%
Jul 15
A spoofing vulnerability exists in ASP.NET Core that could lead to an open redirect, aka 'ASP.NET Core Spoofing Vulnerability'
Affected: 2.1; 2.2
CVE-2026-69304
5.9
1%
Sep 8
ASP.NET Core Denial of Service Vulnerability
Affected: 8.0.0 before 8.0.28; 9.0.0 before 9.0.17; 10.0.0 before 10.0.9; after 11.0.0 and later; 11.0
CVE-2023-36558
5.5
1%
Nov 14
ASP.NET Core Security Feature Bypass Vulnerability
Affected: 6.0.0 before 6.0.25; 7.0.0 before 7.0.14; 8.0.0
CVE-2021-34532
5.5
1%
Aug 12
ASP.NET Core and Visual Studio Information Disclosure Vulnerability
Affected: 2.1 through 2.1.2; 3.1 through 3.1.17; 5.0 through 5.0.8
CVE-2018-8356
5.5
1%
Jul 11
A security feature bypass vulnerability exists when Microsoft .NET Framework components do not correctly validate certificates, aka ".NET Framework Security Feature Bypass…
Affected: 1.0; 1.1; 2.0
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