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CVE-2026-95344

Status: Undergoing AnalysisHigh (8)—

Race condition in DevTools in Google Chrome prior to 154.0.8037.57 allowed a remote attacker leveraging social engineering to bypass site isolation via a crafted Chrome extension. (Chromium security severity: Medium)

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Google — ChromeAIMicrosoft — EdgeAI

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2026-95344",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-95344",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-30T19:56:23.098470Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.8,
        "exploitabilityScore": 1.6
      }
    ]
  },
  "affected": [
    {
      "source": "chrome-cve-admin@google.com",
      "affectedData": [
        {
          "vendor": "Google",
          "product": "Chrome",
          "versions": [
            {
              "status": "affected",
              "version": "154.0.8037.57",
              "lessThan": "154.0.8037.57",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-09-29T18:17:27.233",
  "references": [
    {
      "url": "https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0856730748.html",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "https://issues.chromium.org/issues/548611433",
      "source": "chrome-cve-admin@google.com"
    }
  ],
  "vulnStatus": "Undergoing Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "chrome-cve-admin@google.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-367"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Race condition in DevTools in Google Chrome prior to 154.0.8037.57 allowed a remote attacker leveraging social engineering to bypass site isolation via a crafted Chrome extension. (Chromium security severity: Medium)"
    }
  ],
  "lastModified": "2026-09-30T21:17:18.307",
  "sourceIdentifier": "chrome-cve-admin@google.com"
}