cvelistv5 - cve-2026-69414

CVE-2026-69414 (GCVE-0-2026-69414)

Vulnerability from cvelistv5

Published

2026-08-14 21:50

Modified

2026-08-29 16:23

Severity ?

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

CWE

CWE-284 - Improper Access Control

Summary

Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as "ShieldBreak ". We are working to provide a high quality security update that addresses this vulnerability. We will provide information in this CVE when the update is available.

References

URL

Tags

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69414

vendor-advisory, patch

Impacted products

	Vendor	Product	Version
	Microsoft	Microsoft Malware Protection Engine	Version: -

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
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            "other": {
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                "id": "CVE-2026-69414",
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                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-17T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
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            "descriptions": [
              {
                "cweId": "CWE-269",
                "description": "CWE-269 Improper Privilege Management",
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              }
            ]
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        ],
        "providerMetadata": {
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          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://github.com/MSNightmare/ShieldBreak"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Microsoft Malware Protection Engine",
          "vendor": "Microsoft",
          "versions": [
            {
              "status": "affected",
              "version": "-"
            }
          ]
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      ],
      "cpeApplicability": [
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          "nodes": [
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "datePublic": "2026-08-14T14:00:00.000Z",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Microsoft is aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender publicly referred to as \u0026quot;ShieldBreak \u0026quot;.\nWe are working to provide a high quality security update that addresses this vulnerability. We will provide information in this CVE when the update is available."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en-US",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-284",
              "description": "CWE-284: Improper Access Control",
              "lang": "en-US",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-29T16:23:07.508Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "name": "Microsoft Defender Elevation of Privilege Vulnerability",
          "tags": [
            "vendor-advisory",
            "patch"
          ],
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        }
      ],
      "title": "Microsoft Defender Elevation of Privilege Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
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    "dateUpdated": "2026-08-29T16:23:07.508Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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}

CERTFR-2026-AVI-1035

Vulnerability from certfr_avis

De multiples vulnérabilités ont été découvertes dans les produits Microsoft. Elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance et une élévation de privilèges.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

Vendor	Product	Description
Microsoft	N/A	PowerShell 7.6 versions antérieures à 7.6.5
Microsoft	N/A	Microsoft Malware Protection Engine
Microsoft	N/A	PowerShell 7.4 versions antérieures à 7.4.19.0
Microsoft	N/A	PowerShell 7.5 versions antérieures à 7.5.10.0

References

Title

Publication Time

Tags

Bulletin de sécurité Microsoft CVE-2026-50523	2026-08-11	vendor-advisory
Bulletin de sécurité Microsoft CVE-2026-69414	2026-08-14	vendor-advisory

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "PowerShell 7.6 versions ant\u00e9rieures \u00e0 7.6.5",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "Microsoft Malware Protection Engine",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "PowerShell 7.4 versions ant\u00e9rieures \u00e0 7.4.19.0",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    },
    {
      "description": "PowerShell 7.5 versions ant\u00e9rieures \u00e0 7.5.10.0",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "Microsoft",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-69414",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-69414"
    },
    {
      "name": "CVE-2026-50523",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-50523"
    }
  ],
  "initial_release_date": "2026-08-17T00:00:00",
  "last_revision_date": "2026-08-17T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-1035",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-08-17T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Ex\u00e9cution de code arbitraire \u00e0 distance"
    },
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits Microsoft. Elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire \u00e0 distance et une \u00e9l\u00e9vation de privil\u00e8ges.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Microsoft",
  "vendor_advisories": [
    {
      "published_at": "2026-08-11",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-50523",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50523"
    },
    {
      "published_at": "2026-08-14",
      "title": "Bulletin de s\u00e9curit\u00e9 Microsoft CVE-2026-69414",
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69414"
    }
  ]
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

CVE-2026-69414 (GCVE-0-2026-69414)

Vulnerability from cvelistv5

CERTFR-2026-AVI-1035

Vulnerability from certfr_avis

Solutions

Tags

Sightings

Nomenclature