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CVE-2026-78439

🗓️ 08 Sep 2026 17:13:37Reported by microsoftType 
cve
 cve
🔗 web.nvd.nist.gov👁 54 Views

Stack-based buffer overflow in Microsoft Graphics Component enables remote code execution.

Related
Detection
Affected
Refs
Vulners
CNA
Node
microsoftoffice_365Range1.0.0–16.113.26091433macos
Node
microsoftofficeRange16.0.1–16.0.20430.20000android
Node
microsoftoffice_2021Range16.0.1–16.113.26091433ltscmacos
Node
microsoftoffice_2024Range16.0.0–16.113.26091433ltscmacos
[
  {
    "vendor": "Microsoft",
    "product": "Microsoft Office 365 for Mac",
    "versions": [
      {
        "version": "1.0.0",
        "lessThan": "16.113.26091433",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Office for Android",
    "versions": [
      {
        "version": "16.0.1",
        "lessThan": "16.0.20430.20000",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Office LTSC for Mac 2021",
    "versions": [
      {
        "version": "16.0.1",
        "lessThan": "16.113.26091433",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Office LTSC for Mac 2024",
    "versions": [
      {
        "version": "16.0.0",
        "lessThan": "16.113.26091433",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

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29 Sep 2026 21:42Current
6.3Medium risk
Vulners AI Score6.3
CVSS 3.18.8
EPSS0.00837
SSVC
54