CVE-2025-21264

highpriority · track · 0EPSS 0.008 · 56 %ileDEEUNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.79% (56th) EPSS

CVSS 7.1 · high

Is it mine?

40 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Files or directories accessible to external parties in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.

remediations

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

A vendor fix is available.

FixedMicrosoft Visual Studio Code CoPilot Chat Extensionmsrc_csaf
0.27.2:Security Update:https://github.com/microsoft/vscode/
https://github.com/microsoft/vscode/
FixedVisual Studio Codemsrc_csaf
1.100.1:Security Update:https://code.visualstudio.com/updates/v1_100
https://code.visualstudio.com/updates/v1_100

cvss

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

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–7.1

v3.17.1highAV:L/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:Nsecondary · secure@microsoft.com USexploitability 1.8 · impact 4.7

v3.16.5mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

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

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-552USCWE-552USCWE-552USCWE-552US

affected products (40)

Products and version ranges known to be affected.

Microsoft .NET Framework 8.0all versionscert_bundDEcpe:/a:microsoft:.net_framework:8.0
Microsoft .NET Framework 9.0all versionscert_bundDEcpe:/a:microsoft:.net_framework:9.0
Microsoft Azure DevOpsall versionscert_bundDEcpe:/a:microsoft:azure:devops
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 17.13all versionscert_bundDEcpe:/a:microsoft:visual_studio_2022:17.13
Microsoft Visual Studio 2022 17.8all versionscert_bundDEcpe:/a:microsoft:visual_studio_2022:17.8
Microsoft Visual Studio 2022 Build Toolsall versionscert_bundDEcpe:/a:microsoft:visual_studio_2022:build_tools
Microsoft Visual Studio Codeall versionscert_bundDEcpe:/a:microsoft:visual_studio_code:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Microsoft Microsoft Visual Studio Code CoPilot Chat Extension0.27.0 → 0.27.2enisa_euvdEU
Microsoft Visual Studio Code1.0.0 → 1.100.1enisa_euvdEU
Microsoft Corp Visual Studio Code≤ 1.100.1fstec_bduRU
Microsoft Visual Studio Code CoPilot Chat Extensionall versionsfixedmsrc_csafUS
Microsoft Visual Studio Code CoPilot Chat Extension< 0.27.2msrc_csafUS
Visual Studio Codeall versionsfixedmsrc_csafUS

showing 20 of 40

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2025-0153Kwetsbaarheden verholpen in Microsoft Developer ToolsNL2025-05-13csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in diverse Developer Tools.
WID-SEC-W-2025-1015Microsoft Developer Tools: Mehrere SchwachstellenDeutsch2025-05-13csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Microsoft Visual Studio, Microsoft Visual Studio Code, Microsoft Azure DevOps und Microsoft .NET Framework ausnutzen, um seine Privilegien zu eskalieren, Informationen offenzulegen, Sicherheitsmaßnahmen zu umgehen, beliebigen Programmcode auszuführen oder Daten zu manipulieren.
msrc_CVE-2025-21264Visual Studio Code Security Feature Bypass Vulnerability2025-05-13csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund msrc_csaf ncsc_nl NVD CVE.org MITRE

published 2025-05-13modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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