Skip to main content

CVE-2026-70174: CWE-358: Improperly Implemented Security Check for Standard in Microsoft .NET 10.0

0
High
VulnerabilityCVE-2026-70174cvecve-2026-70174cwe-358
Published: 10/13/2026 (10/13/2026, 19:00:25 UTC)
Source: CVE Database V5
Vendor/Project: Microsoft
Product: .NET 10.0

Description

Improperly implemented security check for standard in .NET allows an unauthorized attacker to execute code over a network.

CVSS v3.1

Score 8.8high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected software

Microsoft

.NET 10.0

Affected versions
>=10.0.0 <10.0.13

Microsoft

.NET 11.0

Affected versions
>=11.0.0 <11.0.0-rc.2

Microsoft

.NET 8.0

Affected versions
>=8.0.0 <8.0.32

Microsoft

.NET 9.0

Affected versions
>=9.0.0 <9.0.21

Microsoft

Microsoft .NET Framework 3.5

Affected versions
=3.5.0

Microsoft

Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2

Affected versions
=3.0.0.0

Microsoft

Microsoft .NET Framework 3.5 AND 4.7.2

Affected versions
=4.7.0

Microsoft

Microsoft .NET Framework 3.5 AND 4.8

Affected versions
=4.8.0

Microsoft

Microsoft .NET Framework 3.5 AND 4.8.1

Affected versions
=4.8.1

Microsoft

Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2

Affected versions
>=4.7.0 <4.7.4150.0

Microsoft

Microsoft .NET Framework 4.8

Affected versions
>=4.8.0 <4.8.4811.0

Microsoft

Microsoft .NET Framework 4.8.1

Affected versions
>=4.8.0.0 <4.8.9363.0

Microsoft

Microsoft Visual Studio 2022 version 17.14

Affected versions
>=17.14.0 <17.14.42

Microsoft

Microsoft Visual Studio 2026 version 18.10

Affected versions
>=18.10.0 <18.10.4

Technical Details

Data Version
5.2
Assigner Short Name
microsoft
Date Reserved
2026-08-03T23:48:30.859Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
official-fix
Vendor Advisory Urls
[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70174","vendor":"Microsoft"}]

Threat ID: 6ace84d42cdf04f6569f128e

Added to database: 10/13/2026, 19:21:56 UTC

Last updated: 10/13/2026, 22:50:42 UTC

Views: 3

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

Please log in to the Console to use AI analysis features.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses