Home→Vulnerabilities→CVE-2026-8945
Disclosed

CVE-2026-8945

Sandbox escape in Firefox and Firefox Focus for Android. This vulnerability was fixed in Firefox 151.

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Exploitation Probability (EPSS)

Low Priority
0.05%

The Exploit Prediction Scoring System (EPSS) uses machine learning to estimate the probability that a vulnerability will be exploited in the wild within the next 30 days.

0% (Theoretical)100% (Certainty)

7-Day Exploitation Trend

Vulnerability Timeline

2 events
May 19, 2026
Vulnerability Disclosed
Published to component-level vulnerability database.
May 21, 2026
Last Updated
Record updated with new analysis or tags.

Threat Actor Attribution

PREMIUM INTEL
Associated Groups:Lazarus Group, APT28
Ransomware Campaigns:LockBit 3.0, BlackCat
IoCs (Indicators):14 IPs, 3 Hashes

Remediation & Mitigation

SOLUTION

Official patches and mitigation steps are available for this vulnerability.

# Update Command
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name

Affected Products

2 Total
mozilla/firefoxAll Versions
mozilla/firefox_focusAll Versions

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2003171Mozilla
Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-46/Mozilla
Vendor Advisory

Am I Vulnerable?

Check your domain or package.json for CVE-2026-8945 exposure.

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Vulnerability Details

CVSS Base Score
7.5/ 10
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Published Date
May 19, 2026
Last Modified
May 21, 2026
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