How severe is CVE-2026-50510?

CVE-2026-50510 has a CVSS 3.x base score of 7.8, 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 high, and availability high.

Is CVE-2026-50510 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-50510?

CVE-2026-50510 affects Microsoft Github Copilot. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-50510?

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.

When was CVE-2026-50510 published?

CVE-2026-50510 was published on 2026-07-14 and last updated on 2026-07-22.

CVE-2026-50510

CVE-2026-50510 is a high-severity vulnerability in Microsoft Github Copilot with a CVSS 3.x base score of 7.8. 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-641.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-641
Affected product: Microsoft Github Copilot
Published: 2026-07-14
Last modified: 2026-07-22

Description

Improper restriction of names for files and other resources in Github Copilot allows an unauthorized attacker to execute code locally.

Frequently asked questions

What is CVE-2026-50510?: Improper restriction of names for files and other resources in Github Copilot allows an unauthorized attacker to execute code locally.
How severe is CVE-2026-50510?: CVE-2026-50510 has a CVSS 3.x base score of 7.8, 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 high, and availability high.
Is CVE-2026-50510 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-50510?: CVE-2026-50510 affects Microsoft Github Copilot. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-50510?: 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.
When was CVE-2026-50510 published?: CVE-2026-50510 was published on 2026-07-14 and last updated on 2026-07-22.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50510

Affected products (1)

cpe:2.3:a:microsoft:github_copilot:*:*:*:*:*:jetbrains:*:*

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