CVE-2026-70162

.NET Denial of Service Vulnerability

MEDIUM
5.9
CVSS Score
Published: October 13, 2026 at 07:01 PM UTC
Updated: October 30, 2026 at 07:14 PM UTC
3 products affected across 1 vendorVisual Studio 2022Microsoft Visual Studio 2026 Version 18.10System.security.cryptography.pkcs

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Severity
MEDIUM5.9
Exploit prediction
EPSS 0.9%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-405

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