MFSA2026-40: Security Vulnerabilities fixed in Firefox 150.0.2
Published May 7, 2026
·Updated
Security Vulnerabilities fixed in Firefox 150.0.2
Affected Software
1 affected componentFixes available
Mozilla Firefox<150.0.2
150.0.2
Event History
May 7, 2026
Advisory Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
What security vulnerabilities are addressed in MFSA2026-40?
MFSA2026-40 addresses multiple security vulnerabilities identified in Firefox version 150.0.2.
2
What versions of Firefox are affected by MFSA2026-40?
MFSA2026-40 affects Firefox versions up to and including 150.0.2.
3
What is the severity level of the vulnerabilities fixed in MFSA2026-40?
The severity level of the vulnerabilities fixed in MFSA2026-40 varies, but they are significant enough to require immediate attention and upgrading.
4
How can I fix the vulnerabilities outlined in MFSA2026-40?
To fix the vulnerabilities in MFSA2026-40, update your Firefox browser to version 150.0.2 or later.
5
Is it safe to use Firefox 150.0.2 after applying the fix from MFSA2026-40?
Yes, after updating to version 150.0.2 as per MFSA2026-40, Firefox will be safe from the specified security vulnerabilities.