How severe is CVE-2025-21264?

CVE-2025-21264 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2025-21264 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-21264?

CVE-2025-21264 affects Microsoft Visual Studio Code. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-21264?

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-2025-21264 have an EU (EUVD) identifier?

Yes. CVE-2025-21264 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14440.

When was CVE-2025-21264 published?

CVE-2025-21264 was published on 2025-05-13 and last updated on 2026-06-17.

CVE-2025-21264

CVE-2025-21264 is a high-severity vulnerability in Microsoft Visual Studio Code with a CVSS 3.x base score of 7.1. 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-552.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-14440
Weakness: CWE-552
Affected product: Microsoft Visual Studio Code
Published: 2025-05-13
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2025-21264?: Files or directories accessible to external parties in Visual Studio Code allows an unauthorized attacker to bypass a security feature locally.
How severe is CVE-2025-21264?: CVE-2025-21264 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2025-21264 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-21264?: CVE-2025-21264 affects Microsoft Visual Studio Code. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-21264?: 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-2025-21264 have an EU (EUVD) identifier?: Yes. CVE-2025-21264 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14440.
When was CVE-2025-21264 published?: CVE-2025-21264 was published on 2025-05-13 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21264

Affected products (1)

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

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