CVE-2025-21173

highpriority · track · 0EPSS 0.013 · 70 %ileDEEUNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.30% (70th) EPSS

CVSS 7.3 · high

Is it mine?

52 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

.NET Elevation of Privilege Vulnerability

remediations

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

A vendor fix is available.

Fixed.NET 8.0 installed on Linuxmsrc_csaf
8.0.12:Security Update:https://support.microsoft.com/help/5050525
https://support.microsoft.com/help/5050525
Fixed.NET 9.0 installed on Linuxmsrc_csaf
9.0.1:Security Update:https://support.microsoft.com/help/5050526
https://support.microsoft.com/help/5050526
FixedMicrosoft Visual Studio 2022 version 17.10msrc_csaf
17.10.10:Security Update:https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes
https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes
FixedMicrosoft Visual Studio 2022 version 17.12msrc_csaf
17.12.4:Security Update:https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes
https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes
FixedMicrosoft Visual Studio 2022 version 17.6msrc_csaf
17.6.22:Security Update:https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes
https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes
FixedMicrosoft Visual Studio 2022 version 17.8msrc_csaf
17.8.17:Security Update:https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes
https://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes

cvss

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

7.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.7–7.3

v3.17.3highAV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.3highCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17.3highCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1.3 · impact 5.9

v3.16.7mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.17.3highCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · NCSC-NL NL

v3.17.3highCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-379USCWE-379USCWE-379USCWE-379US

affected products (52)

Products and version ranges known to be affected.

Microsoft .NET Frameworkall versionscert_bundDEcpe:/a:microsoft:.net_framework:-
Microsoft Visual Studio 2017 15.0-15.9all versionscert_bundDEcpe:/a:microsoft:visual_studio_2017:15.0_-_15.9
Microsoft Visual Studio 2019 16.0-16.11all versionscert_bundDEcpe:/a:microsoft:visual_studio_2019:16.0_-_16.11
Microsoft Visual Studio 2022 17.10all versionscert_bundDEcpe:/a:microsoft:visual_studio_2022:17.10
Microsoft Visual Studio 2022 17.12all versionscert_bundDEcpe:/a:microsoft:visual_studio_2022:17.12
Microsoft Visual Studio 2022 17.6all versionscert_bundDEcpe:/a:microsoft:visual_studio_2022:17.6
Microsoft Visual Studio 2022 17.8all versionscert_bundDEcpe:/a:microsoft:visual_studio_2022:17.8
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
RESF Rocky Linuxall versionscert_bundDEcpe:/o:resf:rocky_linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Microsoft .NET 8.08.0.0 → 8.0.12enisa_euvdEU
Microsoft .NET 9.09.0.0 → 9.0.1enisa_euvdEU
Microsoft Microsoft Visual Studio 2022 version 17.1017.10.0 → 17.10.10enisa_euvdEU
Microsoft Microsoft Visual Studio 2022 version 17.1217.12.0 → 17.12.4enisa_euvdEU
Microsoft Microsoft Visual Studio 2022 version 17.617.6.0 → 17.6.22enisa_euvdEU
Microsoft Microsoft Visual Studio 2022 version 17.817.8.0 → 17.8.17enisa_euvdEU
Microsoft Corp .NET≤ 8.0fstec_bduRU
Microsoft Corp .NET≤ 9.0fstec_bduRU
Microsoft Corp Microsoft Visual Studio 2022≤ 17.12fstec_bduRU

showing 20 of 52

advisories (5)

Vendor and ecosystem advisories describing this.

NCSC-2025-0011Kwetsbaarheden verholpen in Microsoft Developer ToolsNL2025-01-14csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in Visual Studio en .NET.
WID-SEC-W-2025-0093Microsoft Developer Tools: Mehrere SchwachstellenDeutsch2025-01-14csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Microsoft Visual Studio 2017, Microsoft .NET Framework, Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022, Microsoft Visual Studio 2019, Microsoft Visual Studio 2022 und Microsoft Windows ausnutzen, um seine Privilegien zu erhöhen, beliebigen Code auszuführen und vertrauliche Informationen preiszugeben.
msrc_CVE-2025-21173.NET Elevation of Privilege Vulnerability2025-01-14csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
BIT-dotnet-2025-21173.NET Elevation of Privilege Vulnerability2025-02-06vendor · osvUS
.NET Elevation of Privilege Vulnerability
BIT-dotnet-sdk-2025-21173.NET Elevation of Privilege Vulnerability2025-02-06vendor · osvUS
.NET Elevation of Privilege Vulnerability

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu osv cert_bund ncsc_nl msrc_csaf NVD CVE.org MITRE

published 2025-01-14modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

scry

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