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% (57th 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 2026-08-10.

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% (57th 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: 2026-08-10

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% (57th 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 2026-08-10.

References

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

Affected products (1)

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

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