CVE-2026-76033 (GCVE-0-2026-76033)

Vulnerability from cvelistv5 – Published: 2026-08-18 20:31 – Updated: 2026-08-18 20:31
VLAI
Summary
Inappropriate implementation in CORS in Google Chrome prior to 151.0.7922.169 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)
Severity
No CVSS data available.
CWE
  • CWE-20 - Inappropriate implementation
Assigner
References
Impacted products
Vendor Product Version CPE status
Google Chrome Affected: 151.0.7922.169 , < 151.0.7922.169 (custom)
guessed Create a notification for this product.
Show details on NVD website
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "Chrome",
          "vendor": "Google",
          "versions": [
            {
              "lessThan": "151.0.7922.169",
              "status": "affected",
              "version": "151.0.7922.169",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Inappropriate implementation in CORS in Google Chrome prior to 151.0.7922.169 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "Inappropriate implementation",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-18T20:31:25.299Z",
        "orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
        "shortName": "Chrome"
      },
      "references": [
        {
          "url": "https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0826575033.html"
        },
        {
          "url": "https://issues.chromium.org/issues/516715010"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
    "assignerShortName": "Chrome",
    "cveId": "CVE-2026-76033",
    "datePublished": "2026-08-18T20:31:25.299Z",
    "dateReserved": "2026-08-18T19:44:47.455Z",
    "dateUpdated": "2026-08-18T20:31:25.299Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-76033\",\"sourceIdentifier\":\"chrome-cve-admin@google.com\",\"published\":\"2026-08-18T21:18:27.263\",\"lastModified\":\"2026-08-18T21:18:27.263\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Inappropriate implementation in CORS in Google Chrome prior to 151.0.7922.169 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: High)\"}],\"affected\":[{\"source\":\"chrome-cve-admin@google.com\",\"affectedData\":[{\"vendor\":\"Google\",\"product\":\"Chrome\",\"versions\":[{\"version\":\"151.0.7922.169\",\"lessThan\":\"151.0.7922.169\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{},\"weaknesses\":[{\"source\":\"chrome-cve-admin@google.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"references\":[{\"url\":\"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0826575033.html\",\"source\":\"chrome-cve-admin@google.com\"},{\"url\":\"https://issues.chromium.org/issues/516715010\",\"source\":\"chrome-cve-admin@google.com\"}]}}",
    "redhat_vex": {
      "current_release_date": "2026-08-19T09:47:52+00:00",
      "cve": "CVE-2026-76033",
      "id": "CVE-2026-76033",
      "initial_release_date": "2026-08-18T20:31:25.299000+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "chromium-browser: Google Chrome: Site isolation bypass due to inappropriate CORS implementation",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-76033.json",
      "version": "3"
    }
  }
}



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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

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  • 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.


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