CVE-2026-6756: Mitigation bypass in Firefox for Android
Published Apr 21, 2026
·Updated
Mitigation bypass in Firefox for Android. This vulnerability was fixed in Firefox 150.
Affected Software
2 affected componentsFixes available
Mozilla Firefox<150
150
Mozilla Firefox<150.0
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 150 - Upgrade
Upgrade
Firefox for Androidto a version that resolves this vulnerability.Fixed in 150
Event History
Apr 21, 2026
CVE Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
CVE Published
via MITRE·12:40 PM
Data Sourced
via MITRE·12:40 PM
Description
Data Sourced
via NVD·01:16 PM
DescriptionSeverityWeaknessAffected Software
May 21, 58279
Event
via FIRST·07:40 AM
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-6746
- CVE-2026-6747
- CVE-2026-6748
- CVE-2026-6749
- CVE-2026-6750
- CVE-2026-6751
- CVE-2026-6752
- CVE-2026-6753
- CVE-2026-6754
- CVE-2026-6755
- CVE-2026-6756
- CVE-2026-6757
- CVE-2026-6758
- CVE-2026-6759
- CVE-2026-6760
- CVE-2026-6761
- CVE-2026-6762
- CVE-2026-6763
- CVE-2026-6764
- CVE-2026-6765
- CVE-2026-6766
- CVE-2026-6767
- CVE-2026-6768
- CVE-2026-6769
- CVE-2026-6770
- CVE-2026-6771
- CVE-2026-6772
- CVE-2026-6773
- CVE-2026-6774
- CVE-2026-6775
- CVE-2026-6776
- CVE-2026-6777
- CVE-2026-6778
- CVE-2026-6779
- CVE-2026-6780
- CVE-2026-6781
- CVE-2026-6782
- CVE-2026-6783
- CVE-2026-7321
- CVE-2026-8091
- CVE-2026-6784
- CVE-2026-6785
- CVE-2026-6786
Frequently Asked Questions
1
What is the severity of CVE-2026-6756?
CVE-2026-6756 has been designated a high severity vulnerability due to its potential impact on user security.
2
How do I fix CVE-2026-6756?
To fix CVE-2026-6756, upgrade to Firefox version 150 or later.
3
What does CVE-2026-6756 affect?
CVE-2026-6756 affects Firefox for Android versions prior to 150.
4
What type of vulnerability is CVE-2026-6756?
CVE-2026-6756 is classified as a mitigation bypass vulnerability.
5
When was CVE-2026-6756 discovered?
CVE-2026-6756 was reported and subsequently fixed in Firefox version 150.