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CVE•Published 2026-09-07•Modified 2026-09-08•0 articles on news•6 live references•NVD data

CVE-2026-81738

Vulnerability data via NVD (ingested)

CVSS v3.1
—
EPSS percentile
26
Exploit Prediction Scoring System · top 74% of all CVEs
Weaknesses (CWE)
CWE-121Stack-based Buffer OverflowCWE-193Off-by-one ErrorCWE-787Out-of-bounds Write
Description

OpenVPN 2.5.0 through 2.7.6 on Windows using the tap-windows6 driver allows attackers to trigger an out-of-bounds write via crafted DOMAIN-SEARCH entries

Timeline
Published 2026-09-07
Modified 2026-09-08

External references

NVDMITREExploit-DBGitHub PoCSploitusVulnCheck

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).

Shodan · vuln tag0 hosts
vuln:CVE-2026-81738
Hosts Shodan has explicitly fingerprinted as vulnerable.
More intel sources (5)
Shodan report
vuln:CVE-2026-81738
Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-81738
Censys host search filtered to this CVE id.
grep.app
CVE-2026-81738
Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-81738
GitHub code search for direct mentions.
Google dork
"CVE-2026-81738" exploit -site:nvd.nist.gov
Write-ups and news, NVD excluded.

Known PoCs on GitHub

No public proof-of-concept repositories found for CVE-2026-81738 on GitHub.
We haven't classified any articles referencing CVE-2026-81738 yet. The external references above still apply.