CVE-2022-26929

highpriority · track · 1EPSS 0.016 · 75 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.57% (75th) EPSS

CVSS 7.8 · high

Is it mine?

55 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

.NET Framework Remote Code Execution Vulnerability

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedMicrosoft .NET Framework 3.5 AND 4.6/4.6.2msrc_csaf
10.0.10240.19444:Security Update:https://support.microsoft.com/help/5017327
https://support.microsoft.com/help/5017327
FixedMicrosoft .NET Framework 3.5 AND 4.8.1msrc_csaf
4.8.1.09082.07:Security Update:https://support.microsoft.com/help/5017497
https://support.microsoft.com/help/5017497
FixedMicrosoft .NET Framework 4.8.1msrc_csaf
4.8.04556.03:Security Update:https://support.microsoft.com/help/5017499
https://support.microsoft.com/help/5017499

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.8highAV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1.8 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20US

affected products (55)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Microsoft .NET Framework 2.0 SP2all versionscert_bundDEcpe:/a:microsoft:.net_framework:2.0_sp2
Microsoft .NET Framework 3.0 SP2all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.0_sp2
Microsoft .NET Framework 3.5all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.5:-
Microsoft .NET Framework 3.5.1all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.5.1
Microsoft .NET Framework 4.6all versionscert_bundDEcpe:/a:microsoft:.net_framework:4.6
Microsoft .NET Framework 4.6.1all versionscert_bundDEcpe:/a:microsoft:.net_framework:4.6.1
Microsoft .NET Framework 4.6.2all versionscert_bundDEcpe:/a:microsoft:.net_framework:4.6.2
Microsoft .NET Framework 4.7all versionscert_bundDEcpe:/a:microsoft:.net_framework:4.7
Microsoft .NET Framework 4.7.1all versionscert_bundDEcpe:/a:microsoft:.net_framework:4.7.1
Microsoft .NET Framework 4.7.2all versionscert_bundDEcpe:/a:microsoft:.net_framework:4.7.2
Microsoft .NET Framework 4.8all versionscert_bundDEcpe:/a:microsoft:.net_framework:4.8
Microsoft .NET Framework 4.8.1all versionscert_bundDEcpe:/a:microsoft:.net_framework:4.8.1
Microsoft Visual Studio 2019 version 16.11all versionscert_bundDEcpe:/a:microsoft:visual_studio_2019:version_16.11
Microsoft Visual Studio 2019 version 16.9all versionscert_bundDEcpe:/a:microsoft:visual_studio_2019:version_16.9
Microsoft Visual Studio 2022 for Mac version 17.3all versionscert_bundDEcpe:/a:microsoft:visual_studio:2022_for_mac_version_17.3
Microsoft Visual Studio 2022 version 17.0all versionscert_bundDEcpe:/a:microsoft:visual_studio:2022_version_17.0
Microsoft Visual Studio 2022 version 17.2all versionscert_bundDEcpe:/a:microsoft:visual_studio:2022_version_17.2
Microsoft Visual Studio 2022 version 17.3all versionscert_bundDEcpe:/a:microsoft:visual_studio:2022_version_17.3
Microsoft Visual Studio Codeall versionscert_bundDEcpe:/a:microsoft:visual_studio_code:-

showing 20 of 55

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2022-1403Microsoft Developer Tools: Mehrere SchwachstellenDeutsch2022-09-13csaf · cert_bundDE
Ein entfernter, anonymer oder lokaler Angreifer kann mehrere Schwachstellen in Microsoft .NET Framework, Microsoft Visual Studio und Microsoft Visual Studio Code ausnutzen, um seine Privilegien zu erweitern, einen Denial-of-Service-Zustand zu verursachen und beliebigen Code auszuführen.
msrc_CVE-2022-26929.NET Framework Remote Code Execution Vulnerability2022-09-13csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund msrc_csaf NVD CVE.org MITRE

published 2022-09-13modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

scry

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