GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2026-85046 (GCVE-0-2026-85046)

Vulnerability from cvelistv5 – Published: 2026-09-03 19:26 – Updated: 2026-09-05 03:55
VLAI CISA
Summary
Type confusion in V8 in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-03 00:00 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Google Chrome Affected: 152.0.7977.82 , < 152.0.7977.82 (custom)
guessed Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 6c7e1d1a-bf91-46a3-992d-50caf3208c7a

Vulnerability ID: CVE-2026-85046

Status: Confirmed

Status Updated: 2026-09-04 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2026-09-04
Asserted: 2026-09-04
Scope
Notes: Google Chromium V8 Type Confusion Vulnerability | Affected: Google / Chromium V8 | Description: Google Chromium V8 contains a type confusion vulnerability that allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. | Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. | Due date: 2026-09-18 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-85046
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-843
Feed CISA Known Exploited Vulnerabilities Catalog
Product Chromium V8
Due Date 2026-09-18
Date Added 2026-09-04
Vendorproject Google
Vulnerabilityname Google Chromium V8 Type Confusion Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-09-04 18:00 UTC | Updated: 2026-09-04 18:00 UTC
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-85046",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-03T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2026-09-04",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85046"
              },
              "type": "kev"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-05T03:55:27.946Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "references": [
          {
            "tags": [
              "government-resource"
            ],
            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85046"
          }
        ],
        "timeline": [
          {
            "lang": "en",
            "time": "2026-09-04T00:00:00.000Z",
            "value": "CVE-2026-85046 added to CISA KEV"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Chrome",
          "vendor": "Google",
          "versions": [
            {
              "lessThan": "152.0.7977.82",
              "status": "affected",
              "version": "152.0.7977.82",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Type confusion in V8 in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-843",
              "description": "Type confusion",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-03T19:26:12.609Z",
        "orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
        "shortName": "Chrome"
      },
      "references": [
        {
          "url": "https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html"
        },
        {
          "url": "https://issues.chromium.org/issues/542403045"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
    "assignerShortName": "Chrome",
    "cveId": "CVE-2026-85046",
    "datePublished": "2026-09-03T19:26:12.609Z",
    "dateReserved": "2026-09-02T21:13:06.329Z",
    "dateUpdated": "2026-09-05T03:55:27.946Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "cisa_known_exploited": {
      "cveID": "CVE-2026-85046",
      "cwes": "[\"CWE-843\"]",
      "dateAdded": "2026-09-04",
      "dueDate": "2026-09-18",
      "forensicTriage": "No",
      "knownRansomwareCampaignUse": "Unknown",
      "notes": "https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-85046",
      "product": "Chromium V8",
      "requiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201cForensics Triage Requirements\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset\u0027s internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
      "shortDescription": "Google Chromium V8 contains a type confusion vulnerability that allows a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.",
      "vendorProject": "Google",
      "vulnerabilityName": "Google Chromium V8 Type Confusion Vulnerability"
    },
    "epss": {
      "cve": "CVE-2026-85046",
      "date": "2026-09-04",
      "epss": "0.00462",
      "percentile": "0.38423"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-85046\",\"sourceIdentifier\":\"chrome-cve-admin@google.com\",\"published\":\"2026-09-03T20:17:24.210\",\"lastModified\":\"2026-09-05T04:18:05.170\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Type confusion in V8 in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)\"}],\"affected\":[{\"source\":\"chrome-cve-admin@google.com\",\"affectedData\":[{\"vendor\":\"Google\",\"product\":\"Chrome\",\"versions\":[{\"version\":\"152.0.7977.82\",\"lessThan\":\"152.0.7977.82\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2026-09-03T00:00:00+00:00\",\"id\":\"CVE-2026-85046\",\"options\":[{\"exploitation\":\"active\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"total\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"cisaExploitAdd\":\"2026-09-04\",\"cisaActionDue\":\"2026-09-18\",\"cisaRequiredAction\":\"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201cForensics Triage Requirements\u201d (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset\u0027s internet exposure and ensuring adherence to BOD 26-04 patching guidelines.\",\"cisaVulnerabilityName\":\"Google Chromium V8 Type Confusion Vulnerability\",\"weaknesses\":[{\"source\":\"chrome-cve-admin@google.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-843\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"152.0.7977.82\",\"matchCriteriaId\":\"E7133861-8AAD-49BB-9137-9D737B466E1E\"}]}]}],\"references\":[{\"url\":\"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html\",\"source\":\"chrome-cve-admin@google.com\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://issues.chromium.org/issues/542403045\",\"source\":\"chrome-cve-admin@google.com\",\"tags\":[\"Permissions Required\"]},{\"url\":\"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85046\",\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"tags\":[\"US Government Resource\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-09-05T02:00:16+00:00",
      "cve": "CVE-2026-85046",
      "id": "CVE-2026-85046",
      "initial_release_date": "2026-09-03T19:26:12.609000+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "chromium-browser: Chromium: Arbitrary code execution due to type confusion in V8",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-85046.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "critical",
      "current_release_date": "2026-09-05T00:23:56Z",
      "cve": "CVE-2026-85046",
      "id": "CVE-2026-85046",
      "initial_release_date": "2026-09-05T00:23:56Z",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-85046",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-85046.json",
      "version": "2"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 8.8, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-85046\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-09-04T17:11:12.511485Z\"}}}, {\"other\": {\"type\": \"kev\", \"content\": {\"dateAdded\": \"2026-09-04\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85046\"}}}], \"references\": [{\"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85046\", \"tags\": [\"government-resource\"]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-09-03T19:43:41.285Z\"}, \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-09-04T00:00:00.000Z\", \"value\": \"CVE-2026-85046 added to CISA KEV\"}]}], \"cna\": {\"affected\": [{\"vendor\": \"Google\", \"product\": \"Chrome\", \"versions\": [{\"status\": \"affected\", \"version\": \"152.0.7977.82\", \"lessThan\": \"152.0.7977.82\", \"versionType\": \"custom\"}]}], \"references\": [{\"url\": \"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01882797386.html\"}, {\"url\": \"https://issues.chromium.org/issues/542403045\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"Type confusion in V8 in Google Chrome prior to 152.0.7977.82 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"cweId\": \"CWE-843\", \"description\": \"Type confusion\"}]}], \"providerMetadata\": {\"orgId\": \"ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28\", \"shortName\": \"Chrome\", \"dateUpdated\": \"2026-09-03T19:26:12.609Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-85046\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-09-05T03:55:27.946Z\", \"dateReserved\": \"2026-09-02T21:13:06.329Z\", \"assignerOrgId\": \"ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28\", \"datePublished\": \"2026-09-03T19:26:12.609Z\", \"assignerShortName\": \"Chrome\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.