CVE•Published 2026-09-07•Modified 2026-09-08•0 articles on news•5 live references•NVD data
CVE-2026-78221
Vulnerability data via NVD (ingested)
CVSS v3.1
—
EPSS percentile
2
Exploit Prediction Scoring System · top 98% of all CVEs
Weaknesses (CWE)
Description
An incorrect buffer size calculation in the Windows Interactive Service in OpenVPN 2.7_alpha1 through 2.7.6 allows local authenticated users to cause memory corruption or disclose sensitive information via crafted NRPT inputs.
Timeline
Published 2026-09-07
Modified 2026-09-08
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-78221Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-78221Censys host search filtered to this CVE id.
grep.app
CVE-2026-78221Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-78221GitHub code search for direct mentions.
Google dork
"CVE-2026-78221" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-78221 on GitHub.
We haven't classified any articles referencing CVE-2026-78221 yet. The external references above still apply.