{"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"}}]}}