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CVE-2026-84123 Privilege escalation due to use-after-free in the Graphics: WebGPU component

🗓️ 01 Sep 2026 12:18:50Reported by mozillaType 
cvelist
 cvelist
🔗 www.cve.org👁 22 Views

Privilege escalation via use-after-free in Firefox Graphics WebGPU, fixed in v155.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-84123
2 Sep 202604:48
circl
cve
CVE
CVE-2026-84123
1 Sep 202612:18
cve
debiancve
Debian CVE
CVE-2026-84123
1 Sep 202612:18
debiancve
euvd
EUVD
EUVD-2026-69072
1 Sep 202612:18
euvd
kaspersky
Kaspersky
KLA91248 Multiple vulnerabilities in Mozilla Firefox ESR
1 Sep 202600:00
kaspersky
kaspersky
Kaspersky
KLA91249 Multiple vulnerabilities in Mozilla Firefox
1 Sep 202600:00
kaspersky
kaspersky
Kaspersky
KLA91251 Multiple vulnerabilities in Mozilla Thunderbird ESR
1 Sep 202600:00
kaspersky
kaspersky
Kaspersky
KLA91254 Multiple vulnerabilities in Mozilla Thunderbird
1 Sep 202600:00
kaspersky
nessus
Tenable Nessus
Mozilla Firefox ESR < 153.2
1 Sep 202600:00
nessus
nessus
Tenable Nessus
Mozilla Firefox < 155.0
1 Sep 202600:00
nessus
Rows per page
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "153.2",
        "lessThanOrEqual": "153.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "155",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "153.2",
        "lessThanOrEqual": "153.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "155",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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