EUVD-2026-14859
GHSA-fmr6-7878-wx6p
8.8
CVSS 3.1
Share
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
4
Patch Released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 24, 2026 - 12:45 vuln.today
EUVD ID Assigned
Mar 24, 2026 - 12:45 euvd
EUVD-2026-14859
CVE Published
Mar 24, 2026 - 12:30 nvd
HIGH 8.8
Description
Privilege escalation in the IPC component. This vulnerability affects Firefox < 149.
Analysis
Firefox versions prior to 149 contain a privilege escalation vulnerability in the IPC component that allows remote attackers to escalate privileges through user interaction on affected systems. An attacker can exploit this flaw to gain elevated system access and potentially execute arbitrary code with higher privileges. …
Sign in for full analysis, threat intelligence, and remediation guidance.
Remediation
Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.
Sign in for detailed remediation steps.
Priority Score
44
Low
Medium
High
Critical
KEV: 0
EPSS: +0.0
CVSS: +44
POC: 0
Vendor Status
Debian
firefox
| Release | Status | Fixed Version | Urgency |
|---|---|---|---|
| sid | vulnerable | 148.0.2-1 | - |
| (unstable) | fixed | (unfixed) | - |
Share
External POC / Exploit Code
Leaving vuln.today
Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
Always review and test exploit code in a safe, isolated environment (VM/sandbox).
Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).