{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-77572", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-20T20:35:30.147Z", "datePublished": "2026-10-14T15:26:31.329Z", "dateUpdated": "2026-10-15T15:08:14.109Z" }, "containers": { "cna": { "title": "VeraCrypt: Missing authorization on veracrypt.sys IOCTLs exposes disk topology, symlink targets, and DeviceObject reference count to any client of \\\\.\\VeraCrypt", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-200", "lang": "en", "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1" } } ], "references": [ { "name": "https://github.com/veracrypt/VeraCrypt/security/advisories/GHSA-9mgv-w2fw-3m78", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/veracrypt/VeraCrypt/security/advisories/GHSA-9mgv-w2fw-3m78" }, { "name": "https://github.com/veracrypt/VeraCrypt/commit/ca35405421df549e75f1f241259bdda0c5b67d40", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/veracrypt/VeraCrypt/commit/ca35405421df549e75f1f241259bdda0c5b67d40" }, { "name": "https://github.com/veracrypt/VeraCrypt/releases/tag/VeraCrypt_1.26.29", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/veracrypt/VeraCrypt/releases/tag/VeraCrypt_1.26.29" } ], "affected": [ { "vendor": "veracrypt", "product": "VeraCrypt", "versions": [ { "version": "<= 1.26.29", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-14T15:26:31.329Z" }, "descriptions": [ { "lang": "en", "value": "VeraCrypt provides disk encryption with strong security based on TrueCrypt. In 1.26.29 and earlier, selected metadata IOCTL handlers in the VeraCrypt Windows veracrypt.sys driver accept caller-supplied object-manager and device paths broader than supported VeraCrypt workflows require. A local user who can open the intentionally user-accessible \\.\\VeraCrypt device can use TC_IOCTL_GET_RESOLVED_SYMLINK, TC_IOCTL_GET_DRIVE_PARTITION_INFO, VC_IOCTL_GET_DRIVE_GEOMETRY_EX, or the legacy TC_IOCTL_GET_DRIVE_GEOMETRY handler to make src/Driver/Ntdriver.c perform kernel-context symbolic-link or disk-device lookups outside the intended path scope. This can disclose low-sensitivity drive-letter targets, partition information, disk geometry, GPT or MBR state, and limited object-manager path metadata." } ], "source": { "advisory": "GHSA-9mgv-w2fw-3m78", "discovery": "UNKNOWN" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-14T16:11:26.847830Z", "id": "CVE-2026-77572", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T15:08:14.109Z" } } ] } }