EUVD-2026-29493
Protection Mechanism Failure (CWE-693)
GHSA-rr5w-74h2-xqhc
9.8
CVSS 3.1
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CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
3
CVSS changed
May 14, 2026 - 20:22 NVD
9.8 (CRITICAL)
CVE Published
May 12, 2026 - 14:24 nvd
CRITICAL 9.8
CVE Published
May 12, 2026 - 14:24 nvd
UNKNOWN (no severity yet)
DescriptionNVD
Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 150.0.3.
Analysis
Sandbox escape in the Profile Backup component. This vulnerability was fixed in Firefox 150.0.3.
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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