CVE-2026-41109

highpriority · track · 0EPSS 0.009 · 58 %ileDEEUNLRUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.86% (58th) EPSS

CVSS 8.8 · high

Is it mine?

57 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Improper neutralization of special elements in output used by a downstream component ('injection') in GitHub Copilot and Visual Studio allows an unauthorized attacker to bypass a security feature over a network.

remediations

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

A vendor fix is available.

FixedVisual Studio Codemsrc_csaf
1.128.1:Security Update:https://code.visualstudio.com/updates/v1_128
https://code.visualstudio.com/updates/v1_128

cvss

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

8.8

010

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

v3.18.8highAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 2.8 · impact 5.9

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · NCSC-NL NL

v3.18.8highCVSS:3.1/AV:N/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

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-74USCWE-74USCWE-74US

affected products (57)

Products and version ranges known to be affected.

Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
Microsoft .NET 10.0all versionscert_bundDEcpe:/a:microsoft:.net:10.0
Microsoft .NET 8.0all versionscert_bundDEcpe:/a:microsoft:.net:8.0
Microsoft .NET 9.0all versionscert_bundDEcpe:/a:microsoft:.net:9.0
Microsoft .NET Framework 3.5all versionscert_bundDEcpe:/a:microsoft:.net_framework:3.5:-
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 Azure DevOpsall versionscert_bundDEcpe:/a:microsoft:azure:devops
Microsoft Visual Studio 2017 version 15.9 (includes 15.0-15.8)all versionscert_bundDE
Microsoft Visual Studio 2019 version 16.11 (includes 16.0-16.10)all versionscert_bundDE
Microsoft Visual Studio 2022 version 17.12all versionscert_bundDE
Microsoft Visual Studio 2022 version 17.14all versionscert_bundDE
Microsoft Visual Studio 2026 version 18.5all versionscert_bundDE
Microsoft Visual Studio Codeall versionscert_bundDEcpe:/a:microsoft:visual_studio_code:-
Microsoft Visual Studio Code - Live Preview extensionall versionscert_bundDEcpe:/a:microsoft:visual_studio_code:-_live_preview_extension
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:-
Microsoft Visual Studio 2017≤ version 15.9 (includes 15.0-15.8)cert_bundDE

showing 20 of 57

advisories (4)

Vendor and ecosystem advisories describing this.

NCSC-2026-0143Kwetsbaarheden verholpen in Microsoft Developer ToolsNL2026-05-12csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in diverse Developer Tools.
NCSC-2026-0235Kwetsbaarheden verholpen in Microsoft Developer ToolsNL2026-07-14csaf · ncsc_nlNL
Microsoft heeft kwetsbaarheden verholpen in Developer Tools als .NET en Visual Studio.
WID-SEC-W-2026-1488Microsoft Developer Tools: Mehrere SchwachstellenDeutsch2026-05-12csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Microsoft Visual Studio, Microsoft Visual Studio Code, Microsoft .NET Framework und Microsoft .NET ausnutzen, um beliebigen Programmcode auszuführen, um Daten zu manipulieren, um seine Privilegien zu erhöhen, um Sicherheitsvorkehrungen zu umgehen, um Informationen offenzulegen, und um einen Denial of Service Angriff durchzuführen.
msrc_CVE-2026-41109GitHub Copilot and Visual Studio Code Security Feature Bypass Vulnerability2026-07-14csaf · 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 ncsc_nl msrc_csaf NVD CVE.org MITRE

published 2026-05-12modified 2026-10-26

references (3)

External citations — patches, advisories, analysis.

scry

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