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CVE-2026-92048 Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component

🗓️ 15 Sep 2026 12:34:09Reported by mozillaType 
cvelist
 cvelist
🔗 www.cve.org👁 10 Views

Sandbox escape in Firefox 156 via incorrect boundary conditions in Widget: Win32 component.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-92048
15 Sep 202612:34
cve
debiancve
Debian CVE
CVE-2026-92048
15 Sep 202612:34
debiancve
euvd
EUVD
EUVD-2026-78511
15 Sep 202612:34
euvd
nessus
Tenable Nessus
Mozilla Firefox ESR < 153.3
15 Sep 202600:00
nessus
nessus
Tenable Nessus
Mozilla Firefox < 156.0
15 Sep 202600:00
nessus
nessus
Tenable Nessus
Mozilla Firefox ESR < 153.3
15 Sep 202600:00
nessus
nessus
Tenable Nessus
Mozilla Firefox < 156.0
15 Sep 202600:00
nessus
mozilla
Mozilla
Security Vulnerabilities fixed in Firefox ESR 153.3 — Mozilla
15 Sep 202600:00
mozilla
nvd
NVD
CVE-2026-92048
15 Sep 202613:16
nvd
ptsecurity
Positive Technologies
PT-2026-91984
15 Sep 202600:00
ptsecurity
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "153.3",
        "lessThanOrEqual": "153.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "156",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "156",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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