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CVE-2026-92066 Sandbox escape in the Profile Backup component

🗓️ 15 Sep 2026 12:34:27Reported by mozillaType 
cvelist
 cvelist
🔗 www.cve.org👁 34 Views

Firefox and Thunderbird 156 have a sandbox escape in the Profile Backup component.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
alpinelinux
AlpineLinux
CVE-2026-92066
15 Sep 202612:34
–alpinelinux
circl
Circl
CVE-2026-92066
17 Sep 202604:47
–circl
cve
CVE
CVE-2026-92066
15 Sep 202612:34
–cve
debiancve
Debian CVE
CVE-2026-92066
15 Sep 202612:34
–debiancve
euvd
EUVD
EUVD-2026-78529
15 Sep 202612:34
–euvd
nessus
Tenable Nessus
Fedora 43 : thunderbird (2026-a387125860)
30 Sep 202600:00
–nessus
nessus
Tenable Nessus
Fedora 43 : firefox / nss (2026-d7ba4af112)
18 Sep 202600:00
–nessus
nessus
Tenable Nessus
Mozilla Firefox < 156.0
15 Sep 202600:00
–nessus
nessus
Tenable Nessus
Mozilla Thunderbird < 156.0
16 Sep 202600:00
–nessus
nessus
Tenable Nessus
Mozilla Firefox < 156.0
15 Sep 202600:00
–nessus
Rows per page
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "156",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "156",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

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15 Sep 2026 20:01Current
CVSS 3.19.8
EPSS0.00551
SSVC
34