Vulnerability · CVE-2026-74951
Clickjacking issue in Firefox for Android.
Published Aug 18, 2026 · catalog updated Oct 22, 2026 · firefox mobile
Last checked Oct 26, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2026-74951. EPSS is 0.27%. Act only if a listed version of firefox mobile is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-74980 · Medium
- CVE-2026-74975 · Medium
- Severity
- Medium6.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.27%
- Remediation
- Version ranges on file
- Affected products
- cpe mozilla/firefox mobile
Clickjacking issue in Firefox for Android. This vulnerability was fixed in Firefox 154.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe mozilla/firefox mobile< 154.0
How to fix CVE-2026-74951
Upgrade
CVE-2026-74951 lists a fix boundary at 154.0. Compare the installed build with that boundary before you change production.
Version check
Affected < 154.0
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-74951. EPSS is 0.27%. Act only if a listed version of firefox mobile is installed.
Which versions are affected?
Compare what you have installed with mozilla/firefox mobile < 154.0. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-1021: Improper Restriction of Rendered UI Layers or Frames. EPSS 0.27%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Aug 18, 2026 · NIST NVD
Detected
Clickjacking issue in Firefox for Android. This vulnerability was fixed in Firefox 154.
Oct 22, 2026 · NIST NVD
Updated
Clickjacking issue in Firefox for Android. This vulnerability was fixed in Firefox 154.
Sources
- CVE.orgVulnerability recordCVE-2026-74951
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-74951
30-day exploitation probability 0.27%
first.org - NIST NVDVulnerability recordCVE-2026-74951
Clickjacking issue in Firefox for Android. This vulnerability was fixed in Firefox 154.
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- CVE.orgOct 23, 2026
- FIRST EPSSOct 23, 2026
- NIST NVDOct 23, 2026