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CVE-2026-74968 Site isolation issue in the Graphics: WebRender component

🗓️ 18 Aug 2026 12:23:38Reported by mozillaType 
cvelist
 cvelist
🔗 www.cve.org👁 31 Views

Site isolation flaw in Firefox WebRender Graphics component; fixed in Firefox 154 and ESR 153.1.

Related
Affected
Refs
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "153.1",
        "lessThanOrEqual": "153.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "154",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "153.1",
        "lessThanOrEqual": "153.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "154",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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18 Aug 2026 18:55Current
EPSS0.00105
31