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01 Record

CVE-2026-70035

.NET Framework Remote Code Execution Vulnerability

HighPUBLISHEDCNA: microsoft
CNA base score8.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

02 Description

.NET Framework Remote Code Execution Vulnerability

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
1.43% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 72.9% of scored records. A rank, not a probability.
NVD base score
8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD analysis status
Undergoing Analysis. NVD last modified this record on 2026-10-22.
Red Hat severity
Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-13 19:01Z15 DAYS AGO
Last updated
2026-10-29 15:19Z2 HR AGO
Reserved
2026-08-03
Assigning CNA
microsoft
Record state
PUBLISHED
Severity
High (CVSS 8.8)
CNA CVSS vector
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
Weaknesses
  • CWE-502Deserialization of Untrusted DataBase
Data version
5.2
Document digest
e1f84122c0b532eb97b3c04cfe3cc317a86be101bd8f9e8c713f02b16c39c76d

05 Affected products

VendorProductVersionsPlatforms
Microsoft.NET 10.0 runtime10.0.0 to < 10.0.13—
Microsoft.NET 11.0 runtime11.0.0 to < 11.0.0-rc.2—
Microsoft.NET 8.0 runtime8.0.0 to < 8.0.32—
Microsoft.NET 9.0 runtime9.0.0 to < 9.0.21—
MicrosoftMicrosoft .NET Framework 3.53.5.0 to < 2.0.50727.9188 AND 3.0.30729.9171Windows 11 version 26H1, Windows Server 2012, Windows Server 2012 R2
MicrosoftMicrosoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.23.0.0.0 to < 2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0Windows 10 version 1607, Windows Server 2016, Windows Server 2019
MicrosoftMicrosoft .NET Framework 3.5 AND 4.7.24.7.0 to < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0Windows 10 version 1809
MicrosoftMicrosoft .NET Framework 3.5 AND 4.84.8.0 to < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0Windows 10 version 1809, Windows 10 version 21H2, Windows 10 version 22H2, Windows Server 2019, Windows Server 2022
MicrosoftMicrosoft .NET Framework 3.5 AND 4.8.14.8.1 to < 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0Windows 10 version 21H2, Windows 10 version 22H2, Windows 11 version 23H2, Windows 11 version 24H2, Windows 11 version 25H2, Windows 11 version 26H2, Windows Server 2022, Windows Server 2025
MicrosoftMicrosoft .NET Framework 4.6.2/4.7/4.7.1/4.7.24.7.0 to < 4.7.4150.0Windows Server 2012, Windows Server 2012 R2
MicrosoftMicrosoft .NET Framework 4.84.8.0 to < 4.8.4811.0Windows 10 version 1607, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
MicrosoftMicrosoft .NET Framework 4.8.14.8.0.0 to < 4.8.9363.0Windows 11 version 26H1
MicrosoftMicrosoft Visual Studio 2022 version 17.1417.14.0 to < 17.14.42—
MicrosoftMicrosoft Visual Studio 2026 version 18.1018.10.0 to < 18.10.4—

06 References

07 Fixed in

Ubuntu 22.04 LTS

  • dotnet7
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.