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CVE-2026-45491

Estado: AnalizadaMedia (5.5)—

Improper link resolution before file access ('link following') in .NET allows an unauthorized attacker to perform tampering locally.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Microsoft — .net

CWE

Referencias

JSON original (NVD)

Mostrar
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  "cveTags": [],
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2026-06-10T12:17:16.966103Z"
        }
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
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        "source": "nvd@nist.gov",
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  ],
  "published": "2026-06-09T17:17:25.567",
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45491",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "description": [
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          "value": "CWE-59"
        }
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  ],
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      "value": "Improper link resolution before file access ('link following') in .NET allows an unauthorized attacker to perform tampering locally."
    },
    {
      "lang": "es",
      "value": "Resolución de enlaces incorrecta antes del acceso a archivos ('seguimiento de enlaces') en .NET permite a un atacante no autorizado realizar manipulaciones localmente."
    }
  ],
  "lastModified": "2026-07-23T08:10:00.137",
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