FKIE_CVE-2026-20935

Vulnerability from fkie_nvd - Published: 2026-01-13 18:16 - Updated: 2026-01-16 15:18
Severity ?
6.2 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an unauthorized attacker to disclose information locally.
References
secure@microsoft.comhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20935Vendor Advisory
Impacted products
Vendor Product Version
microsoft windows_11_23h2 *
microsoft windows_11_23h2 *
microsoft windows_11_24h2 *
microsoft windows_11_24h2 *
microsoft windows_11_25h2 *
microsoft windows_11_25h2 *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*",
              "matchCriteriaId": "7D2B0BB9-E94A-420E-8E53-A4C1136DE73E",
              "versionEndExcluding": "10.0.22631.6491",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:*",
              "matchCriteriaId": "78C4B71B-5345-4D83-A0A9-A15F783CF9A9",
              "versionEndExcluding": "10.0.22631.6491",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*",
              "matchCriteriaId": "208734FD-5175-4856-9D08-ED6CFF64AA14",
              "versionEndExcluding": "10.0.26100.7623",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:*",
              "matchCriteriaId": "846261D4-ECC2-4DCB-8F8F-F27F8C99F061",
              "versionEndExcluding": "10.0.26100.7623",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*",
              "matchCriteriaId": "33E138A3-968B-4109-AC13-D488685F0AF2",
              "versionEndExcluding": "10.0.26200.7623",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:*",
              "matchCriteriaId": "CC1FE5A1-3E6E-4606-899B-BF7BF3D3DD8D",
              "versionEndExcluding": "10.0.26200.7623",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an unauthorized attacker to disclose information locally."
    }
  ],
  "id": "CVE-2026-20935",
  "lastModified": "2026-01-16T15:18:31.623",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 6.2,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 3.6,
        "source": "secure@microsoft.com",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-01-13T18:16:20.500",
  "references": [
    {
      "source": "secure@microsoft.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20935"
    }
  ],
  "sourceIdentifier": "secure@microsoft.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-822"
        }
      ],
      "source": "secure@microsoft.com",
      "type": "Primary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.