CVE-2024-43576

Status: AnalyzedHigh (7.8)—

Microsoft Office Remote Code Execution Vulnerability

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base score: 7.8

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.49%
Percentile among all scored CVEs: 40
Score date: 10/7/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1068 Exploitation for Privilege Escalationprivilege escalation85 %
Primary impactT1059 Command and Scripting Interpreterexecution80 %
Secondary impactT1574.007 Path Interception by PATH Environment Variablestealth · execution75 %

AV:L/PR:L sin interacción indica escalada local. CWE-426 (untrusted search path) y el contexto de Office sugieren DLL hijacking (T1574.007) que facilita ejecución de código (T1059).

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Execution Prevention Audit Threat Intelligence Program Restrict Web-Based Content Restrict File and Directory Permissions Privileged Account Management

Affected technologies (2)

Microsoft — 365 Apps Microsoft — Office Long Term Servicing Channel

CWEs

CWE-426
NVD-CWE-noinfo

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43576

Raw JSON (NVD)

Show

{
  "id": "CVE-2024-43576",
  "cveTags": [],
  "metrics": {
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      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-43576",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-10-08T18:51:44.638176Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "cvssData": {
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          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Microsoft 365 Apps for Enterprise",
          "versions": [
            {
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              "version": "16.0.1",
              "lessThan": "https://aka.ms/OfficeSecurityReleases",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "32-bit Systems",
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft Office LTSC 2024",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0",
              "lessThan": "https://aka.ms/OfficeSecurityReleases",
              "versionType": "custom"
            }
          ],
          "platforms": [
            "32-bit Systems",
            "x64-based Systems"
          ]
        }
      ]
    }
  ],
  "published": "2024-10-08T18:15:25.450",
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43576",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secure@microsoft.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-426"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Microsoft Office Remote Code Execution Vulnerability"
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de ejecución remota de código en Microsoft Office"
    }
  ],
  "lastModified": "2026-06-17T07:51:20.033",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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            },
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            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "C461C8D7-D6DC-47E2-BF64-0872A4D24E43"
            },
            {
              "criteria": "cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:*:x86:*",
              "vulnerable": true,
              "matchCriteriaId": "875BEC9A-6123-48A9-8B89-88AEA8422B89"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "secure@microsoft.com"
}