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CVE-2026-78513

Estado: AnalizadaMedia (5.5)—

Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information 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 (6)

Microsoft — 365 AppsMicrosoft — Microsoft 365Microsoft — Office 2019Microsoft — Office 2021Microsoft — Office 2024Microsoft — Powerpoint

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2026-78513",
  "cveTags": [],
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-08T19:49:30.748631Z"
        }
      }
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          "version": "3.1",
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          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
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  },
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      "affectedData": [
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        },
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          "vendor": "Microsoft",
          "product": "Microsoft PowerPoint 2016",
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              "version": "16.0.0",
              "lessThan": "16.0.5569.1002",
              "versionType": "custom"
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          "platforms": [
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  ],
  "published": "2026-09-08T18:20:46.590",
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78513",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secure@microsoft.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Out-of-bounds read in Microsoft Office PowerPoint allows an unauthorized attacker to disclose information locally."
    }
  ],
  "lastModified": "2026-09-17T20:18:31.927",
  "configurations": [
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}