Medium severity · published Oct 13, 2026
CVE-2026-70162
.NET Denial of Service Vulnerability
5.9
CVSS
0.9%
EPSS
No
On KEV
Description
A denial of service vulnerability exists when Microsoft Common Object Runtime Library improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET web application.
A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET application.
The update addresses the vulnerability by correcting how the .NET web application handles web requests.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MV
Microsoft Visual Studio 2022 version 17.14 · Microsoft
17.14.0 before 17.14.42 · source: vendor
MV
Microsoft Visual Studio 2026 version 18.10 · Microsoft
18.10.0 before 18.10.4 · source: vendor
SY
System.Security.Cryptography.Pkcs · Microsoft
10.0.0 before 10.0.13 · source: vendor
Affected product
MV
Microsoft Visual Studio 2022 version 17.14
Microsoft
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-70162
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-70162
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70162
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