CVE-2025-65717
Exfiltration of local files via crafted HTML in VS Code Live Server extension.
Is CVE-2025-65717 being exploited?
Not confirmed. CVE-2025-65717 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.55% probability of exploitation in the next 30 days.
How severe is CVE-2025-65717?
CVE-2025-65717 is rated Critical with a CVSS score of 9.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2025-65717?
Yes. A fix has been recorded for CVE-2025-65717. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2025-65717 affect?
CVE-2025-65717 affects Visual Studio Code, Live Server extension v5.7.9. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2025-65717?
Patch when available; avoid loading untrusted HTML pages
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attacker can exfiltrate local files via a crafted HTML page opened by a user served by Live Server.
Immediate action required