CVE-2026-23653
CVE-2026-23653 is a medium-severity vulnerability in Microsoft Github Copilot Chat with a CVSS 3.x base score of 5.7. 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-77.
Key facts
- Severity: Medium (CVSS 3.x base score 5.7)
- EPSS exploit prediction: 1% (50th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-22359
- Weakness: CWE-77
- Affected product: Microsoft Github Copilot Chat
- Published:
- Last modified:
Description
Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio Code allows an authorized attacker to disclose information over a network.
Frequently asked questions
- What is CVE-2026-23653?
- Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio Code allows an authorized attacker to disclose information over a network.
- How severe is CVE-2026-23653?
- CVE-2026-23653 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2026-23653 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-23653?
- CVE-2026-23653 affects Microsoft Github Copilot Chat. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-23653?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-23653 have an EU (EUVD) identifier?
- Yes. CVE-2026-23653 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22359.
- When was CVE-2026-23653 published?
- CVE-2026-23653 was published on 2026-04-14 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:github_copilot_chat:*:*:*:*:*:visual_studio_code:*:*
More vulnerabilities in Microsoft Github Copilot Chat
- CVE-2025-62222 — High (CVSS 8.8): Improper neutralization of special elements used in a command ('command injection') in Visual Studio Code CoPilot Chat…
- CVE-2025-62449 — Medium (CVSS 6.8): Improper limitation of a pathname to a restricted directory ('path traversal') in Visual Studio Code CoPilot Chat…
- CVE-2026-50519 — Medium (CVSS 6.5): Initialization of a resource with an insecure default in GitHub Copilot and Visual Studio Code allows an unauthorized…
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