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CVE-2026-4722 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: March 24, 2026

Firefox - Privilege Escalation

Published: March 24, 2026Updated: March 24, 2026Remote Exploitable

Overview

Firefox < 149 contains a privilege escalation vulnerability in the IPC component, letting attackers escalate their privileges, exploit requires unspecified conditions.

Severity & Score

Severity: High

CVSS Score: 8.8

Impact

Attackers can escalate their privileges, potentially gaining unauthorized access or control.

Mitigation

Update to version 149 or later.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2010097
https://www.mozilla.org/security/advisories/mfsa2026-20/

Related Resources

Vulnerability Intelligence Dashboard
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Details

CVE ID: CVE-2026-4722
Severity: High
CVSS Score: 8.8
Type: broken_access_control
Status: unconfirmed

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H