How severe is CVE-2026-41109?

CVE-2026-41109 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-41109 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-41109?

CVE-2026-41109 affects Microsoft Visual Studio Code. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41109?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-41109 have an EU (EUVD) identifier?

Yes. CVE-2026-41109 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29691.

When was CVE-2026-41109 published?

CVE-2026-41109 was published on 2026-05-12 and last updated on 2026-06-17.

CVE-2026-41109

CVE-2026-41109 is a high-severity vulnerability in Microsoft Visual Studio Code with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-74.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29691
Weakness: CWE-74
Affected product: Microsoft Visual Studio Code
Published: 2026-05-12
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-41109?: 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.
How severe is CVE-2026-41109?: CVE-2026-41109 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-41109 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-41109?: CVE-2026-41109 affects Microsoft Visual Studio Code. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41109?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-41109 have an EU (EUVD) identifier?: Yes. CVE-2026-41109 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29691.
When was CVE-2026-41109 published?: CVE-2026-41109 was published on 2026-05-12 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41109

Affected products (1)

cpe:2.3:a:microsoft:visual_studio_code:*:*:*:*:*:*:*:*

More vulnerabilities in Microsoft Visual Studio Code

CVE-2026-47281 — Critical (CVSS 9.6): Improper input validation in Visual Studio Code allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-41613 — High (CVSS 8.8): Session fixation in Visual Studio Code allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-21518 — High (CVSS 8.8): Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio…
CVE-2025-55319 — High (CVSS 8.8): Ai command injection in Agentic AI and Visual Studio Code allows an unauthorized attacker to execute code over a…
CVE-2024-43488 — High (CVSS 8.8): Missing authentication for critical function in Visual Studio Code extension for Arduino allows an unauthenticated…
CVE-2024-26165 — High (CVSS 8.8): Visual Studio Code Elevation of Privilege Vulnerability

All CVEs affecting Microsoft Visual Studio Code →

Other CWE-74 (Improper Neutralization of Special Elements (Injection)) vulnerabilities

CVE-2026-25586 — Critical (CVSS 10.0): SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, a sandbox escape is possible by shadowing hasOwnProperty…
CVE-2026-25520 — Critical (CVSS 10.0): SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, The return values of functions aren't wrapped.…
CVE-2025-20265 — Critical (CVSS 10.0): A vulnerability in the RADIUS subsystem implementation of Cisco Secure Firewall Management Center (FMC) Software could…
CVE-2025-20337 — Critical (CVSS 10.0): A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
CVE-2025-20281 — Critical (CVSS 10.0): A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
CVE-2024-42472 — Critical (CVSS 10.0): Flatpak is a Linux application sandboxing and distribution framework. Prior to versions 1.14.0 and 1.15.10, a malicious…

Browse all CWE-74 (Improper Neutralization of Special Elements (Injection)) vulnerabilities →