CVE-2020-16876

Published Oct 16, 2020

Last updated a year ago

CVSS high 7.1

Overview

Description: An elevation of privilege vulnerability exists when the Windows Application Compatibility Client Library improperly handles registry operations. An attacker who successfully exploited this vulnerability could gain elevated privileges. To exploit the vulnerability, an attacker would first need code execution on a victim system. An attacker could then run a specially crafted application. The security update addresses the vulnerability by ensuring the Windows Application Compatibility Client Library properly handles registry operations.
Source: secure@microsoft.com
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 7.1
Impact score: 5.2
Exploitability score: 1.8
Vector string: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Severity: HIGH

CVSS 2.0

Type: Primary
Base score: 4.6
Impact score: 6.4
Exploitability score: 3.9
Vector string: AV:L/AC:L/Au:N/C:P/I:P/A:P

Weaknesses

nvd@nist.gov: NVD-CWE-noinfo

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "21540673-614A-4D40-8BD7-3F07723803B0"
          },
          {
            "criteria": "cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "E01A4CCA-4C43-46E0-90E6-3E4DBFBACD64"
          },
          {
            "criteria": "cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "83B14968-3985-43C3-ACE5-8307196EFAE3"
          },
          {
            "criteria": "cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "7CB85C75-4D35-480E-843D-60579EC75FCB"
          },
          {
            "criteria": "cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "6B8F3DD2-A145-4AF1-8545-CC42892DA3D1"
          },
          {
            "criteria": "cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "3FB5CDAE-C713-4D9D-9D6A-2C2E8924A4BB"
          },
          {
            "criteria": "cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "E9273B95-20ED-4547-B0A8-95AD15B30372"
          },
          {
            "criteria": "cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "AAE74AF3-C559-4645-A6C0-25C3D647AAC8"
          },
          {
            "criteria": "cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "041FF8BA-0B12-4A1F-B4BF-9C4F33B7C1E7"
          },
          {
            "criteria": "cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "5B921FDB-8E7D-427E-82BE-4432585080CF"
          },
          {
            "criteria": "cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "C253A63F-03AB-41CB-A03A-B2674DEA98AA"
          },
          {
            "criteria": "cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "0B60D940-80C7-49F0-8F4E-3F99AC15FA82"
          },
          {
            "criteria": "cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "DB79EE26-FC32-417D-A49C-A1A63165A968"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

Overview

Risk scores

CVSS 3.1

CVSS 2.0

Weaknesses

Social media

Configurations

References