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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["Windows"], "product": "OpenVPN", "vendor": "OpenVPN", "versions": [{"lessThanOrEqual": "2.6.22", "status": "affected", "version": "2.0.0", "versionType": "semver"}, {"lessThanOrEqual": "2.7.6", "status": "affected", "version": "2.7_alpha1", "versionType": "semver"}]}], "source": "security@openvpn.net"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenVPN 2.0.0 through 2.6.22 and 2.7_alpha1 through 2.7.6 on Windows allows local authenticated users to cause a denial of service via a NULL DACL on named IPC objects"}], "id": "CVE-2026-82312", "lastModified": "2026-09-08T15:18:49.583", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 1.8, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security@openvpn.net", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-82312", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-08T14:57:51.644972Z", "version": "2.0.3"}}]}, "published": "2026-09-07T08:17:13.527", "references": [{"source": "security@openvpn.net", "url": "https://community.openvpn.net/Security%20Announcements/CVE-2026-82312"}], "sourceIdentifier": "security@openvpn.net", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-412"}, {"lang": "en", "value": "CWE-732"}], "source": "security@openvpn.net", "type": "Secondary"}]}

{"bugzilla": {"description": "openvpn: OpenVPN: Denial of service via NULL DACL on named IPC objects", "id": "2529300", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2529300"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-279", "details": ["A flaw was found in OpenVPN on Windows. A local authenticated user could exploit a vulnerability related to a NULL Discretionary Access Control List (DACL) on named Inter-Process Communication (IPC) objects. This could allow the user to cause a denial of service, making the service unavailable to legitimate users."], "name": "CVE-2026-82312", "public_date": "2026-09-07T07:40:14Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-82312\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-82312\nhttps://community.openvpn.net/Security%20Announcements/CVE-2026-82312"], "statement": "Moderate: This denial of service vulnerability affects OpenVPN on Windows platforms. As Red Hat products are primarily Linux-based, this flaw does not directly impact Red Hat Enterprise Linux or other Red Hat supported offerings.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": ["windows"], "status": "affected", "versions": {"scheme": "semver", "value": "[2.0.0,2.6.22]"}}, {"platform": ["windows"], "status": "affected", "versions": {"scheme": "generic", "value": "[2.7_alpha1,2.7.6]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "OpenVPN", "source": "cna", "vendor": "OpenVPN"}, "product": "openvpn", "vendor": "openvpn"}], "created": "2026-09-07T14:00:17.227565+00:00", "updated": "2026-09-08T02:00:20.238672+00:00", "vendors": ["openvpn", "openvpn$PRODUCT$openvpn"]}