CVE-2023-21808

At a glance

Severity: HIGH 7.8
EPSS: EPSS 1.15 % · percentile 67 (2026-10-27)
State: PUBLISHED
Published: 2023-02-14
Updated: 2026-08-19
Assigner: microsoft
NVD status: Modified

Description

.NET and Visual Studio Remote Code Execution Vulnerability

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft
CVSS 3.1	HIGH 7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	NVD · secure@microsoft.com (Secondary)

Weaknesses (CWE)

CWE-416

Advisories

GHSA-824j-wqm8-89mj — .NET Remote Code Execution Vulnerability

European references

ENISA EUVD · EUVD-2023-0660
GCVE · GCVE-0-2023-21808

CERT-FR advisories

CERTFR-2024-AVI-0478 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
CERTFR-2023-AVI-0935 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
CERTFR-2023-AVI-0133 — Multiples vulnérabilités dans les produits Microsoft · cert.ssi.gouv.fr
CERTFR-2023-AVI-0131 — Multiples vulnérabilités dans Microsoft .Net · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:microsoft:.net:6.0.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:* ≥ 15.0 < 15.9.51
cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:* ≥ 16.0 < 16.11.24
cpe:2.3:a:microsoft:visual_studio_2022:17.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2022:17.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2022:17.4:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*

Affected products

Product	Versions
Microsoft · .NET 6.0	affected 6.0.0 < 6.0.14
Microsoft · .NET 7.0	affected 7.0.0 < 7.0.3
Microsoft · Microsoft .NET Framework 3.5 and 4.6.2	affected 4.7.0 < 10.0.10240.19747
Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2	affected 4.7.0 < 10.0.04038.03
Microsoft · Microsoft .NET Framework 3.5 AND 4.8	affected 4.8.0 < 10.0.04614.06
Microsoft · Microsoft .NET Framework 3.5 AND 4.8.1	affected 4.8.1 < 10.0.09139.02
Microsoft · Microsoft .NET Framework 4.6.2	affected 4.7.0 < 4.7.04038.06
Microsoft · Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2	affected 4.7.0 < 4.7.04614.08
Microsoft · Microsoft .NET Framework 4.8	affected 4.8.0 < 4.8.04614.05
Microsoft · Microsoft Visual Studio 2013 Update 5	affected 12.0.0 < 12.0.40700.0
Microsoft · Microsoft Visual Studio 2015 Update 3	affected 14.0.0 < 14.0.27555.0
Microsoft · Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)	affected 15.9.0 < 15.9.52
Microsoft · Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)	affected 16.11.0 < 16.11.24
Microsoft · Microsoft Visual Studio 2022 version 17.0	affected 17.0.0 < 17.0.19
Microsoft · Microsoft Visual Studio 2022 version 17.2	affected 17.2.0 < 17.2.13
Microsoft · Microsoft Visual Studio 2022 version 17.4	affected 17.4.0 < 17.4.5
Microsoft · PowerShell 7.2	affected 7.2.0 < 7.2.10

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21808

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD