{"id":"CVE-2024-12668","aliases":["EUVD-2024-51042","GHSA-9pc9-px3j-hxmw"],"status":"published","title":"Velocidex WinPmem Out of Bounds Write Vulnerability","description":"Velocidex WinPmem versions below 4.1 suffer from an Out of Bounds Write vulnerability. By using an IO Control, a user space program can trick the driver into writing a 0 into any chosen memory location. In conjunction with information leakage from the WinPmem driver, attackers can discover the location in memory for the  g_CiOptions global symbol. This can be leveraged to disable signed driver enforcement on the target system - allowing attackers to load unsigned drivers.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00211,"percentile":0.11447,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2024-12-16T14:56:17Z","modified":"2026-10-28T10:40:59Z","products":[{"vendor":"velocidex","product":"winpmem"}],"references":[{"url":"https://github.com/Velocidex/WinPmem/releases/tag/v4.1.dev1","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-12668","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-9pc9-px3j-hxmw"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/12xxx/CVE-2024-12668.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-12668","title":"Velocidex WinPmem Out of Bounds Write Vulnerability","description":"Velocidex WinPmem versions below 4.1 suffer from an Out of Bounds Write vulnerability. By using an IO Control, a user space program can trick the driver into writing a 0 into any chosen memory location. In conjunction with information leakage from the WinPmem driver, attackers can discover the location in memory for the  g_CiOptions global symbol. This can be leveraged to disable signed driver enforcement on the target system - allowing attackers to load unsigned drivers.","status":"published","published":"2024-12-16T14:56:17.136Z","modified":"2024-12-16T16:14:22.987Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:34:12.287582Z"}],"euvd":[{"id":"EUVD-2024-51042","description":"Velocidex WinPmem versions below 4.1 suffer from an Out of Bounds Write vulnerability. By using an IO Control, a user space program can trick the driver into writing a 0 into any chosen memory location. In conjunction with information leakage from the WinPmem driver, attackers can discover the location in memory for the  g_CiOptions global symbol. This can be leveraged to disable signed driver enforcement on the target system - allowing attackers to load unsigned drivers.","status":"published","published":"2024-12-16T14:56:17Z","modified":"2024-12-16T16:14:22Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:35.519932Z"}],"ghsa":[{"id":"GHSA-9pc9-px3j-hxmw","title":"Velocidex WinPmem versions below 4.1 suffer from an Out of Bounds Write vulnerability whereby an...","description":"Velocidex WinPmem versions below 4.1 suffer from an Out of Bounds Write vulnerability whereby an attacker can subvert code-signing facilities leading to the ability to write the value zero anywhere in memory with the driver – without using the\\nPMEM_WRITE_ENABLED compilation flag. This issue is remediated in version 4.1.","status":"published","published":"2024-12-16T15:31:34Z","modified":"2024-12-16T15:31:44Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:59:11.996128Z"}],"nvd":[{"id":"CVE-2024-12668","description":"Velocidex WinPmem versions below 4.1 suffer from an Out of Bounds Write vulnerability. By using an IO Control, a user space program can trick the driver into writing a 0 into any chosen memory location. In conjunction with information leakage from the WinPmem driver, attackers can discover the location in memory for the  g_CiOptions global symbol. This can be leveraged to disable signed driver enforcement on the target system - allowing attackers to load unsigned drivers.","status":"published","published":"2024-12-16T15:15:06.807Z","modified":"2026-06-17T07:00:15.173Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:10:40.137849Z"}],"osv":[{"id":"CVE-2024-12668","title":"Velocidex WinPmem Out of Bounds Write Vulnerability","description":"Velocidex WinPmem versions below 4.1 suffer from an Out of Bounds Write vulnerability. By using an IO Control, a user space program can trick the driver into writing a 0 into any chosen memory location. In conjunction with information leakage from the WinPmem driver, attackers can discover the location in memory for the  g_CiOptions global symbol. This can be leveraged to disable signed driver enforcement on the target system - allowing attackers to load unsigned drivers.","status":"published","published":"2024-12-16T14:56:17.136Z","modified":"2026-10-28T10:40:59.293227553Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:44:37.917085Z"}]}}