CVE-2021-34518 Microsoft Excel Remote Code Execution Vulnerability

2021-07-1417:54:33

microsoft

www.cve.org

cve-2021-34518

microsoft excel

remote code execution

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

AI Score

Confidence

High

EPSS

0.079

Percentile

94.4%

JSON

CNA Affected

[
  {
    "vendor": "Microsoft",
    "product": "Microsoft Excel 2016",
    "cpes": [
      "cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x86:*",
      "cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x64:*"
    ],
    "platforms": [
      "32-bit Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "16.0.0.0",
        "lessThan": "16.0.5188.100",
        "versionType": "custom",
        "status": "affected"
      },
      {
        "version": "16.0.0.0",
        "lessThan": "16.0.5188.1000",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Excel 2013 Service Pack 1",
    "cpes": [
      "cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:*",
      "cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:x86:*",
      "cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:x64:*"
    ],
    "platforms": [
      "ARM64-based Systems",
      "32-bit Systems",
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "15.0.0.0",
        "lessThan": "15.0.5363.1000",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft Office Web Apps Server 2013 Service Pack 1",
    "cpes": [
      "cpe:2.3:a:microsoft:office_web_apps_server:2013:sp1:*:*:*:*:*:*"
    ],
    "platforms": [
      "Unknown"
    ],
    "versions": [
      {
        "version": "15.0.1",
        "lessThan": "15.0.5363.1000",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]