Vulnerability-Lookup

GHSA-JRR7-75C4-9C5M

Vulnerability from github – Published: 2026-01-14 00:31 – Updated: 2026-01-14 00:31

Details

NSecsoft 'NSecKrnl' is a Windows driver that allows a local, authenticated attacker to terminate processes owned by other users, including SYSTEM and Protected Processes by issuing crafted IOCTL requests to the driver.

Severity ?

4.7 (Medium)


                  
                    CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

5.7 (Medium)


                  
                    CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2025-68947"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-01-13T22:16:06Z",
    "severity": "MODERATE"
  },
  "details": "NSecsoft \u0027NSecKrnl\u0027 is a Windows driver that allows a local, authenticated attacker to terminate processes owned by other users, including SYSTEM and Protected Processes by issuing crafted IOCTL requests to the driver.",
  "id": "GHSA-jrr7-75c4-9c5m",
  "modified": "2026-01-14T00:31:26Z",
  "published": "2026-01-14T00:31:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68947"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ANYLNK/NSecSoftBYOVD"
    },
    {
      "type": "WEB",
      "url": "https://hexastrike.com/resources/blog/threat-intelligence/valleyrat-exploiting-byovd-to-kill-endpoint-security"
    },
    {
      "type": "WEB",
      "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-013-01.json"
    },
    {
      "type": "WEB",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-68947"
    },
    {
      "type": "WEB",
      "url": "https://www.virustotal.com/gui/file/206f27ae820783b7755bca89f83a0fe096dbb510018dd65b63fc80bd20c03261"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/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",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2025-68947 (GCVE-0-2025-68947)

Vulnerability from cvelistv5 – Published: 2026-01-13 21:19 – Updated: 2026-01-13 21:19

Title

NSecsoft NSecKrnl process termination privilege escalation

Summary

Severity ?

4.7 (Medium)


                        
                          CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

5.7 (Medium)


                        
                          CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CWE

CWE-862 - Missing Authorization

Assigner

cisa-cg

References

URL

Tags

	https://www.virustotal.com/gui/file/206f27ae82078…	technical-description
	https://hexastrike.com/resources/blog/threat-inte…	exploittechnical-description
	https://github.com/ANYLNK/NSecSoftBYOVD	exploit
	https://www.cve.org/CVERecord?id=CVE-2025-68947	vdb-entry
	https://raw.githubusercontent.com/cisagov/CSAF/de…	government-resourcethird-party-advisory

Impacted products

	Vendor	Product	Version
	NSecsoft	NSecKrnl	Affected: 0 , < * (custom)

Credits

Maurice Fielenbach, Hexastrike Cybersecurity

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "product": "NSecKrnl",
          "vendor": "NSecsoft",
          "versions": [
            {
              "lessThan": "*",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Maurice Fielenbach, Hexastrike Cybersecurity"
        }
      ],
      "datePublic": "2025-09-07T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "NSecsoft \u0027NSecKrnl\u0027 is a Windows driver that allows a local, authenticated attacker to terminate processes owned by other users, including SYSTEM and Protected Processes by issuing crafted IOCTL requests to the driver."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 4.7,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
        },
        {
          "cvssV4_0": {
            "attackComplexity": "HIGH",
            "attackRequirements": "PRESENT",
            "attackVector": "LOCAL",
            "baseScore": 5.7,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE"
          }
        },
        {
          "other": {
            "content": {
              "id": "CVE-2025-68947",
              "options": [
                {
                  "Exploitation": "poc"
                },
                {
                  "Automatable": "no"
                },
                {
                  "Technical Impact": "partial"
                }
              ],
              "role": "CISA Coordinator",
              "timestamp": "2026-01-07T20:42:49.781891Z",
              "version": "2.0.3"
            },
            "type": "ssvc"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862 Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-13T21:19:55.561Z",
        "orgId": "9119a7d8-5eab-497f-8521-727c672e3725",
        "shortName": "cisa-cg"
      },
      "references": [
        {
          "name": "url",
          "tags": [
            "technical-description"
          ],
          "url": "https://www.virustotal.com/gui/file/206f27ae820783b7755bca89f83a0fe096dbb510018dd65b63fc80bd20c03261"
        },
        {
          "name": "url",
          "tags": [
            "exploit",
            "technical-description"
          ],
          "url": "https://hexastrike.com/resources/blog/threat-intelligence/valleyrat-exploiting-byovd-to-kill-endpoint-security/"
        },
        {
          "name": "url",
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/ANYLNK/NSecSoftBYOVD"
        },
        {
          "name": "url",
          "tags": [
            "vdb-entry"
          ],
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-68947"
        },
        {
          "name": "url",
          "tags": [
            "government-resource",
            "third-party-advisory"
          ],
          "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-013-01.json"
        }
      ],
      "title": "NSecsoft NSecKrnl process termination privilege escalation"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725",
    "assignerShortName": "cisa-cg",
    "cveId": "CVE-2025-68947",
    "datePublished": "2026-01-13T21:19:55.561Z",
    "dateReserved": "2025-12-26T16:17:37.928Z",
    "dateUpdated": "2026-01-13T21:19:55.561Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-JRR7-75C4-9C5M

CVE-2025-68947 (GCVE-0-2025-68947)

Tags

Sightings

Nomenclature