MSRC_CVE-2026-66324

Vulnerability from csaf_microsoft - Published: 2026-08-28 07:00 - Updated: 2026-08-28 07:00
Summary
Microsoft Edge (Chromium-based) Spoofing Vulnerability
Notes
Additional Resources: To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Disclaimer: The information provided in the Microsoft Knowledge Base is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
CWE-73 - External Control of File Name or Path
Affected products
Product Identifier Version Remediation
Microsoft Edge for iOS 152.0.4191.52
Microsoft / Microsoft Edge for iOS
152.0.4191.52
Microsoft Edge for MAC 152.0.4191.52
Microsoft / Microsoft Edge for MAC
152.0.4191.52
Microsoft Edge for Android 152.0.4191.52
Microsoft / Microsoft Edge for Android
152.0.4191.52
Microsoft Edge for Linux 152.0.4191.52
Microsoft / Microsoft Edge for Linux
152.0.4191.52
Microsoft Edge for Windows 152.0.4191.52
Microsoft / Microsoft Edge for Windows
152.0.4191.52
Product Identifier Version Remediation
Microsoft Edge for iOS <152.0.4191.52
Microsoft / Microsoft Edge for iOS
<152.0.4191.52
Vendor Fix fix
Microsoft Edge for MAC <152.0.4191.52
Microsoft / Microsoft Edge for MAC
<152.0.4191.52
Vendor Fix fix
Microsoft Edge for Android <152.0.4191.52
Microsoft / Microsoft Edge for Android
<152.0.4191.52
Vendor Fix fix
Microsoft Edge for Linux <152.0.4191.52
Microsoft / Microsoft Edge for Linux
<152.0.4191.52
Vendor Fix fix
Microsoft Edge for Windows <152.0.4191.52
Microsoft / Microsoft Edge for Windows
<152.0.4191.52
Vendor Fix fix

{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Public",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en-US",
    "notes": [
      {
        "category": "general",
        "text": "To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "The information provided in the Microsoft Knowledge Base is provided \\\"as is\\\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.",
        "title": "Disclaimer"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "secure@microsoft.com",
      "name": "Microsoft Security Response Center",
      "namespace": "https://msrc.microsoft.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "CVE-2026-66324 Microsoft Edge (Chromium-based) Spoofing Vulnerability - VEX",
        "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-66324.json"
      },
      {
        "category": "external",
        "summary": "Microsoft Support Lifecycle",
        "url": "https://support.microsoft.com/lifecycle"
      },
      {
        "category": "external",
        "summary": "Common Vulnerability Scoring System",
        "url": "https://www.first.org/cvss"
      }
    ],
    "title": "Microsoft Edge (Chromium-based) Spoofing Vulnerability",
    "tracking": {
      "current_release_date": "2026-08-28T07:00:00.000Z",
      "generator": {
        "date": "2026-09-25T19:35:14.045Z",
        "engine": {
          "name": "MSRC Generator",
          "version": "1.0"
        }
      },
      "id": "msrc_CVE-2026-66324",
      "initial_release_date": "2026-08-28T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-08-28T07:00:00.000Z",
          "legacy_version": "1",
          "number": "1",
          "summary": "Information published."
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c152.0.4191.52",
                "product": {
                  "name": "Microsoft Edge for iOS \u003c152.0.4191.52",
                  "product_id": "4"
                }
              },
              {
                "category": "product_version",
                "name": "152.0.4191.52",
                "product": {
                  "name": "Microsoft Edge for iOS 152.0.4191.52",
                  "product_id": "11966"
                }
              }
            ],
            "category": "product_name",
            "name": "Microsoft Edge for iOS"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c152.0.4191.52",
                "product": {
                  "name": "Microsoft Edge for MAC \u003c152.0.4191.52",
                  "product_id": "3"
                }
              },
              {
                "category": "product_version",
                "name": "152.0.4191.52",
                "product": {
                  "name": "Microsoft Edge for MAC 152.0.4191.52",
                  "product_id": "12480"
                }
              }
            ],
            "category": "product_name",
            "name": "Microsoft Edge for MAC"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c152.0.4191.52",
                "product": {
                  "name": "Microsoft Edge for Android \u003c152.0.4191.52",
                  "product_id": "5"
                }
              },
              {
                "category": "product_version",
                "name": "152.0.4191.52",
                "product": {
                  "name": "Microsoft Edge for Android 152.0.4191.52",
                  "product_id": "11815"
                }
              }
            ],
            "category": "product_name",
            "name": "Microsoft Edge for Android"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c152.0.4191.52",
                "product": {
                  "name": "Microsoft Edge for Linux \u003c152.0.4191.52",
                  "product_id": "2"
                }
              },
              {
                "category": "product_version",
                "name": "152.0.4191.52",
                "product": {
                  "name": "Microsoft Edge for Linux 152.0.4191.52",
                  "product_id": "21776"
                }
              }
            ],
            "category": "product_name",
            "name": "Microsoft Edge for Linux"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c152.0.4191.52",
                "product": {
                  "name": "Microsoft Edge for Windows \u003c152.0.4191.52",
                  "product_id": "1"
                }
              },
              {
                "category": "product_version",
                "name": "152.0.4191.52",
                "product": {
                  "name": "Microsoft Edge for Windows 152.0.4191.52",
                  "product_id": "21777"
                }
              }
            ],
            "category": "product_name",
            "name": "Microsoft Edge for Windows"
          }
        ],
        "category": "vendor",
        "name": "Microsoft"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-66324",
      "cwe": {
        "id": "CWE-73",
        "name": "External Control of File Name or Path"
      },
      "notes": [
        {
          "category": "general",
          "text": "Microsoft",
          "title": "Assigning CNA"
        }
      ],
      "product_status": {
        "fixed": [
          "11966",
          "12480",
          "11815",
          "21776",
          "21777"
        ],
        "known_affected": [
          "4",
          "3",
          "5",
          "2",
          "1"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "CVE-2026-66324 Microsoft Edge (Chromium-based) Spoofing Vulnerability - VEX",
          "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-66324.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-08-28T07:00:00.000Z",
          "details": "152.0.4191.52:Security Update:https://learn.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security",
          "product_ids": [
            "4",
            "3",
            "5",
            "2",
            "1"
          ],
          "url": "https://learn.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "exploitCodeMaturity": "UNPROVEN",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "remediationLevel": "OFFICIAL_FIX",
            "reportConfidence": "CONFIRMED",
            "scope": "UNCHANGED",
            "temporalScore": 5.7,
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5"
          ]
        }
      ],
      "title": "Microsoft Edge (Chromium-based) Spoofing Vulnerability"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Loading…

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…